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  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/if-1-mole-of-aluminium-contains-6-x-e-atoms-of-aluminium-how-6a00aa07db22397c61e7b900</loc><lastmod>2026-05-10</lastmod></url>
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  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/platinum-electrodes-are-dipped-into-copper-sulphate-solution-6a00aa07db22397c61e7b909</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/what-volume-of-water-is-produced-when-a-mixture-of-150cm-3-6a00aa07db22397c61e7b90a</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/given-the-half-cell-reaction-2br-xrarr-br2-how-many-moles-of-6a00aa07db22397c61e7b90b</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/which-of-the-following-ions-is-acidic-6a00aa07db22397c61e7b90c</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/the-air-pollutant-unknown-in-nature-is-6a00aa07db22397c61e7b90d</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/the-chromatographic-separation-of-ink-is-based-on-the-6a00aa07db22397c61e7b90e</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/a-liquid-that-will-dissolve-fat-is-6a00aa07db22397c61e7b90f</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/25cm-sup3-if-a-gas-x-combines-z-molecules-at-15-deg-c-and-6a00aa07db22397c61e7b910</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/what-quantity-of-electrons-in-mole-is-lost-when-one-more-of-6a00aa07db22397c61e7b911</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/the-common-feathers-of-reactions-at-the-anode-is-that-6a00aa07db22397c61e7b912</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/ethene-undergoes-mainly-addition-reactions-because-it-is-6a00aa07db22397c61e7b913</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/the-position-of-equipment-in-a-reversible-reaction-is-6a00aa07db22397c61e7b914</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2019-2020/the-reactions-between-alkanoic-acids-and-alkanoic-in-the-6a00aa07db22397c61e7b915</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/a-battery-converts-6a00aa07db22397c61e7b8c6</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/chemical-substance-that-speeds-up-the-rate-of-chemical-6a00aa07db22397c61e7b8c7</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/bases-oh-are-substances-that-6a00aa07db22397c61e7b8c8</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/chemical-formula-of-silver-chloride-is-6a00aa07db22397c61e7b8c9</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/when-an-acid-h-is-added-to-alkali-oh-the-product-is-6a00aa07db22397c61e7b8ca</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/the-reddish-brown-rust-on-iron-roofing-sheets-consists-of-6a00aa07db22397c61e7b8cb</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/which-of-the-following-metals-will-displace-iron-from-a-6a00aa07db22397c61e7b8cc</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/the-iupac-name-of-the-compound-naalh-4-is-6a00aa07db22397c61e7b8cd</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/2-5g-of-a-hydrated-barium-salt-gave-on-heating-2-13g-of-6a00aa07db22397c61e7b8ce</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/the-type-of-bonding-cu-nh-3-4-2-is-6a00aa07db22397c61e7b8cf</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/the-curve-below-depicts-titration-between-6a00aa07db22397c61e7b8d0</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/steam-changes-colour-of-anhydrous-cobalt-ii-chloride-from-6a00aa07db22397c61e7b8d1</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/the-first-metal-used-by-man-was-6a00aa07db22397c61e7b8d2</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/the-forces-of-attraction-that-exist-between-non-polar-6a00aa07db22397c61e7b8d3</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/which-of-the-following-salt-is-used-in-the-preparation-of-6a00aa07db22397c61e7b8d4</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/what-volume-of-oxygen-will-remain-after-reacting-8cm-3-of-6a00aa07db22397c61e7b8d5</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/during-electrolysis-of-a-silver-salt-10920-coulombs-of-6a00aa07db22397c61e7b8d6</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/what-is-iupac-name-of-the-compound-whose-structure-is-shown-6a00aa07db22397c61e7b8d7</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/an-acid-and-its-conjugate-base-6a00aa07db22397c61e7b8d8</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/which-of-the-following-compounds-is-composed-of-al-si-o-and-6a00aa07db22397c61e7b8d9</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/which-of-the-following-gases-will-rekindle-a-brightly-6a00aa07db22397c61e7b8da</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/which-of-the-following-mathematical-relationship-represent-6a00aa07db22397c61e7b8db</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/if-d-represents-the-density-of-a-gas-and-k-is-a-constant-the-6a00aa07db22397c61e7b8dc</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/graphite-conducts-electricity-because-6a00aa07db22397c61e7b8dd</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/co-g-o-2-g-co-2-g-h-285kjmol-1-what-is-the-energy-change-in-6a00aa07db22397c61e7b8de</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/the-number-of-waves-in-n-x-10th-bolur-s-orbit-are-6a00aa07db22397c61e7b8df</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/which-one-of-the-following-pairs-of-gases-is-the-cause-of-6a00aa07db22397c61e7b8e0</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/the-electronic-configuration-of-excited-carbon-atom-is-6a00aa07db22397c61e7b8e1</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/which-of-the-following-processes-is-iron-being-oxidized-6a00aa07db22397c61e7b8e2</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/the-composition-of-gun-powder-is-6a00aa07db22397c61e7b8e3</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/the-graph-above-demonstrates-the-effect-of-6a00aa07db22397c61e7b8e4</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/in-the-haber-process-for-the-manufacture-of-ammonia-the-6a00aa07db22397c61e7b8e5</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/for-the-reaction-2h-zn-h-2-zn-2-g-147kjmol-1-what-is-the-6a00aa07db22397c61e7b8e6</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/the-number-of-oxygen-atoms-on-0-5-mole-of-khso-4-is-6a00aa07db22397c61e7b8e7</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/the-alkenes-form-a-homogenous-series-of-saturated-6a00aa07db22397c61e7b8e8</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/tin-is-unaffected-by-air-at-ordinary-temperature-due-to-its-6a00aa07db22397c61e7b8e9</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/in-an-electrochemical-cell-polarization-is-caused-by-6a00aa07db22397c61e7b8ea</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/pcl-5-l-pcl-3-l-cl-2-g-h-ve-in-the-reaction-above-the-6a00aa07db22397c61e7b8eb</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/on-exposure-to-the-atmosphere-a-hydrated-salt-loses-its-6a00aa07db22397c61e7b8ec</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2018-2019/in-the-diagram-below-which-of-the-curves-illustrates-6a00aa07db22397c61e7b8ed</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/which-of-these-groups-of-metals-react-with-cold-water-6a00aa07db22397c61e7b89e</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/to-2-0cm-3-of-solution-of-x-naoh-solution-was-added-drop-by-6a00aa07db22397c61e7b89f</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/two-radioactive-elements-q-and-s-have-a-half-life-period-of-6a00aa07db22397c61e7b8a0</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/excess-acidity-caused-by-acid-rain-can-be-neutralized-by-6a00aa07db22397c61e7b8a1</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/a-chemical-substance-that-speed-up-rate-of-chemical-reaction-6a00aa07db22397c61e7b8a2</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/the-rate-of-reaction-does-not-depend-upon-6a00aa07db22397c61e7b8a3</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/all-are-ionic-compounds-except-6a00aa07db22397c61e7b8a4</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/the-chemical-formula-of-silver-bromide-is-6a00aa07db22397c61e7b8a5</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/aluminium-al-is-preferred-in-overhead-power-cables-because-6a00aa07db22397c61e7b8a6</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/reactivity-series-of-metals-is-also-known-as-the-6a00aa07db22397c61e7b8a7</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/to-make-coloured-glasses-small-quantities-of-oxides-of-6a00aa07db22397c61e7b8a8</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/which-of-the-following-compounds-gives-a-yellow-residue-when-6a00aa07db22397c61e7b8a9</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/the-electronic-configurations-of-two-elements-with-similar-6a00aa07db22397c61e7b8aa</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/which-of-the-following-metals-burns-with-a-brick-red-flame-6a00aa07db22397c61e7b8ab</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/the-noble-gases-owe-their-inactivity-to-6a00aa07db22397c61e7b8ac</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/which-of-the-following-substance-is-not-a-compound-6a00aa07db22397c61e7b8ad</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/in-an-electrolytic-cell-electrons-enter-the-system-through-6a00aa07db22397c61e7b8ae</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/permanent-hardness-of-water-is-due-to-the-presence-of-6a00aa07db22397c61e7b8af</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/how-many-moles-of-alanine-c-3-h-7-no-2-are-there-in-159g-of-6a00aa07db22397c61e7b8b0</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/how-many-atoms-are-in-one-mole-of-ch-3-oh-6a00aa07db22397c61e7b8b1</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/how-many-grams-of-ca-oh-2-are-in-1500cm-3-of-0-0250m-ca-oh-2-6a00aa07db22397c61e7b8b2</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/what-volume-of-0-50m-koh-would-be-required-to-neutralize-6a00aa07db22397c61e7b8b3</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/what-colour-change-is-observed-when-ethane-is-passed-into-an-6a00aa07db22397c61e7b8b4</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/what-element-characterizes-amino-acids-6a00aa07db22397c61e7b8b5</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/which-of-the-following-reagent-cannot-be-used-to-test-for-6a00aa07db22397c61e7b8b6</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/which-is-a-saturated-hydrocarbon-6a00aa07db22397c61e7b8b7</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/when-sucrose-solution-is-warmed-with-dilute-hydrochloric-6a00aa07db22397c61e7b8b8</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/using-the-iupac-system-of-naming-the-compound-below-is-known-6a00aa07db22397c61e7b8b9</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/which-of-the-following-organic-chlorides-will-not-give-a-6a00aa07db22397c61e7b8ba</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/what-is-the-total-number-of-sigma-bonds-in-the-following-6a00aa07db22397c61e7b8bb</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/pi-bond-in-the-following-compound-can-be-found-between-h-c-1-6a00aa07db22397c61e7b8bc</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/which-of-the-following-is-an-important-reactive-electrophile-6a00aa07db22397c61e7b8bd</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/the-separation-of-petroleum-fractions-depends-on-the-6a00aa07db22397c61e7b8be</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/what-is-the-iupac-name-for-the-following-compound-6a00aa07db22397c61e7b8bf</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/what-is-the-name-of-the-following-compound-table-h-c-h-6a00aa07db22397c61e7b8c0</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/the-electronic-configuration-of-mg-2-is-6a00aa07db22397c61e7b8c1</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/how-many-moles-of-kbro-3-are-required-to-prepare-0-0700-6a00aa07db22397c61e7b8c2</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/the-formula-weight-of-the-compound-caso-4-is-6a00aa07db22397c61e7b8c3</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/how-many-moles-of-alanine-c-3-h-7-no-2-are-there-in-159g-of-6a00aa07db22397c61e7b8c4</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2017-2018/which-of-the-following-does-not-have-a-noble-gas-electron-6a00aa07db22397c61e7b8c5</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/which-variety-of-glass-is-heat-resistant-6a00aa07db22397c61e7b876</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/in-vulcanisation-natural-rubber-is-heated-with-6a00aa07db22397c61e7b877</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/which-one-of-the-following-is-correct-butter-is-6a00aa07db22397c61e7b878</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/which-one-of-the-following-has-the-highest-density-6a00aa07db22397c61e7b879</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/which-one-of-the-following-is-the-softest-6a00aa07db22397c61e7b87a</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/which-of-the-following-materials-is-suitable-for-water-6a00aa07db22397c61e7b87b</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/which-one-of-the-following-is-an-element-which-never-6a00aa07db22397c61e7b87c</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/rubies-and-sapphires-are-known-chemically-as-6a00aa07db22397c61e7b87d</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/which-one-of-the-following-when-dissolved-in-h-2-o-gives-6a00aa07db22397c61e7b87e</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/mixture-of-which-one-of-the-following-pairs-of-gases-is-the-6a00aa07db22397c61e7b87f</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/esterification-of-propane-1-2-3-triol-and-unsaturated-higher-6a00aa07db22397c61e7b880</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/in-solution-aminoethanol-acid-glacier-can-be-represented-as-6a00aa07db22397c61e7b881</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/the-formula-ch-3-3-ch-is-that-of-6a00aa07db22397c61e7b882</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/what-is-the-relationship-between-the-compounds-represented-6a00aa07db22397c61e7b883</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/the-composition-of-gunpowder-is-6a00aa07db22397c61e7b884</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/carbon-is-often-deposited-in-the-exhaust-pipe-of-cars-6a00aa07db22397c61e7b885</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/the-product-of-the-reaction-between-ethanol-and-excess-6a00aa07db22397c61e7b886</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/which-of-the-following-alkanols-on-oxidation-is-most-likely-6a00aa07db22397c61e7b887</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/in-which-of-the-following-processes-are-larger-molecules-6a00aa07db22397c61e7b888</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/what-is-the-iupac-name-of-the-compound-with-this-structure-6a00aa07db22397c61e7b889</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/which-of-the-following-statements-about-soapless-detergents-6a00aa07db22397c61e7b88a</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/234-90-th-x-y-pa-in-this-reaction-above-x-and-y-are-6a00aa07db22397c61e7b88b</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/cancerous-growths-are-cured-by-exposure-to-6a00aa07db22397c61e7b88c</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/when-cathode-rays-are-deflected-onto-the-electrode-of-an-6a00aa07db22397c61e7b88d</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/nuclear-fission-involves-the-spitting-of-a-heavy-element-6a00aa07db22397c61e7b88e</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/the-graph-below-demonstrates-the-effect-of-6a00aa07db22397c61e7b88f</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/the-electronic-configuration-of-mg2-is-6a00aa07db22397c61e7b890</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/the-minimum-amount-of-energy-required-for-a-reaction-to-take-6a00aa07db22397c61e7b891</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/a-50-0mg-supply-of-iodine-131-used-in-hospital-in-the-6a00aa07db22397c61e7b892</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/radioactive-changes-differ-from-ordinary-chemical-changes-in-6a00aa07db22397c61e7b893</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/the-addition-of-water-to-calcium-oxide-leads-to-6a00aa07db22397c61e7b894</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/a-colourless-solution-was-tested-with-tollen-s-reagent-the-6a00aa07db22397c61e7b895</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/the-metal-used-to-recover-copper-from-a-solution-of-copper-6a00aa07db22397c61e7b896</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/the-metallurgical-process-in-which-a-metal-is-obtained-in-a-6a00aa07db22397c61e7b897</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/which-of-the-following-statements-is-correct-aqueous-6a00aa07db22397c61e7b898</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/which-of-the-following-is-not-true-about-electrovalent-6a00aa07db22397c61e7b899</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/the-reaction-of-an-alkene-with-hydrogen-in-the-presence-of-a-6a00aa07db22397c61e7b89a</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/the-substance-least-considered-as-a-source-of-environmental-6a00aa07db22397c61e7b89b</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/in-the-reaction-cac-2-s-2h-2-o-ca-oh-2-s-c-2-h-2-g-what-is-6a00aa07db22397c61e7b89c</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2016-2017/if-d-represents-the-density-of-a-gas-and-k-is-a-constant-the-6a00aa07db22397c61e7b89d</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/the-apparatus-used-in-the-industrial-separation-of-crude-oil-6a00aa07db22397c61e7b84e</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/which-of-the-following-statements-is-not-correct-about-group-6a00aa07db22397c61e7b84f</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/which-of-the-following-molecules-has-two-lone-pairs-of-6a00aa07db22397c61e7b850</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/what-is-the-half-life-of-a-radioactive-nuclide-whose-decay-6a00aa07db22397c61e7b851</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/in-the-reaction-4nh-3-g-5o-2-g-4no-g-6h-2-o-1-0mol-of-6a00aa07db22397c61e7b852</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/steam-changes-the-colour-of-anhydrous-cobalt-ii-chloride-6a00aa07db22397c61e7b853</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/the-electronic-configuration-of-excited-carbon-atom-is-6a00aa07db22397c61e7b854</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/for-the-reaction-2h-zn-h-2-zn-2-g-147kjmol-what-is-the-6a00aa07db22397c61e7b855</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/the-atomic-number-of-iron-is-26-what-is-the-number-of-6a00aa07db22397c61e7b856</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/baking-soda-and-hydrochloric-acid-react-according-to-the-6a00aa07db22397c61e7b857</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/what-is-the-main-gas-found-in-the-air-we-breathe-6a00aa07db22397c61e7b858</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/what-is-the-first-most-abundant-element-in-the-universe-in-6a00aa07db22397c61e7b859</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/the-most-common-bleaching-agent-is-6a00aa07db22397c61e7b85a</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/the-law-which-states-that-the-amount-of-gas-dissolved-in-a-6a00aa07db22397c61e7b85b</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/which-is-the-chemical-formula-for-iron-iii-sulphate-6a00aa07db22397c61e7b85c</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/nh-4-cl-s-nh-3-g-hcl-g-the-reaction-above-can-only-attain-6a00aa07db22397c61e7b85d</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/for-elements-in-the-left-most-column-of-the-periodic-table-6a00aa07db22397c61e7b85e</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/the-number-of-oxygen-atoms-in-0-50-mole-of-khso-4-is-6a00aa07db22397c61e7b85f</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/which-of-the-following-is-not-a-separation-technique-6a00aa07db22397c61e7b860</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/an-increase-in-the-rate-of-a-chemical-reaction-on-heating-is-6a00aa07db22397c61e7b861</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/calculate-the-mass-of-solute-in-50cm-3-of-0-25mdm-3-sodium-6a00aa07db22397c61e7b862</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/sulphur-oxide-is-prepared-by-the-action-of-conc-h-2-so-4-on-6a00aa07db22397c61e7b863</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/select-the-equation-representing-the-action-of-steam-on-red-6a00aa07db22397c61e7b864</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/nitrogen-is-very-uncreative-because-6a00aa07db22397c61e7b865</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/calculate-the-mass-of-trioxonitrate-v-acid-necessary-to-6a00aa07db22397c61e7b866</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/x-has-an-empirical-formula-c-2-h-5-and-relative-molecular-6a00aa07db22397c61e7b867</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/the-cracking-of-petroleum-increases-the-yield-of-gasoline-6a00aa07db22397c61e7b868</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/what-is-the-ph-of-0-01-m-hydrochloric-acid-solution-6a00aa07db22397c61e7b869</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/aqua-regia-is-a-mixture-of-6a00aa07db22397c61e7b86a</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/graphite-conducts-electricity-because-6a00aa07db22397c61e7b86b</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/which-of-the-following-compounds-is-composed-of-al-si-o-and-6a00aa07db22397c61e7b86c</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/the-nucleus-of-an-atom-consists-of-6a00aa07db22397c61e7b86d</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/what-is-the-advantage-of-an-alloying-lead-with-tin-6a00aa07db22397c61e7b86e</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/which-of-the-following-statement-is-correct-about-osmotic-6a00aa07db22397c61e7b86f</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/in-the-haber-process-for-the-manufacture-of-ammonium-the-6a00aa07db22397c61e7b870</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/a-mixture-of-sand-ammonium-chloride-and-sodium-is-best-6a00aa07db22397c61e7b871</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/the-densities-of-two-gases-x-and-y-are-0-5g-dm-3-and-2-0g-dm-6a00aa07db22397c61e7b872</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/the-number-of-electrons-in-the-valence-shell-of-an-element-6a00aa07db22397c61e7b873</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/a-solid-that-absorbs-water-from-the-atmosphere-and-forms-an-6a00aa07db22397c61e7b874</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2015-2016/how-many-moles-of-hcl-will-be-required-to-react-with-6a00aa07db22397c61e7b875</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/equal-masses-of-oxygen-hydrogen-and-methane-are-kept-under-6a00aa07db22397c61e7b826</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-forces-of-attraction-that-exist-between-non-polar-6a00aa07db22397c61e7b827</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-law-which-states-that-the-amount-of-gas-dissolved-in-a-6a00aa07db22397c61e7b828</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-inert-gases-are-in-water-6a00aa07db22397c61e7b829</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-mass-of-one-avogadro-number-of-helium-atom-is-6a00aa07db22397c61e7b82a</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-method-that-cannot-be-used-for-removing-permanent-6a00aa07db22397c61e7b82b</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-following-are-the-half-lives-of-four-active-isotopes-6a00aa07db22397c61e7b82c</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-heat-energy-produced-when-the-human-body-metabolizes-1-6a00aa07db22397c61e7b82d</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-luster-of-a-metal-is-due-to-6a00aa07db22397c61e7b82e</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-number-of-waves-in-n-x-10th-bolur-s-orbit-are-6a00aa07db22397c61e7b82f</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-graphite-rods-in-the-nuclear-reactor-6a00aa07db22397c61e7b830</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-gas-used-for-artificial-ripening-of-green-fruit-is-6a00aa07db22397c61e7b831</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-metal-used-to-recover-copper-from-a-solution-of-copper-6a00aa07db22397c61e7b832</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-metallurgical-process-in-which-a-metal-is-obtained-in-a-6a00aa07db22397c61e7b833</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-number-of-d-electrons-in-fe-2-z-26-is-equal-to-that-of-6a00aa07db22397c61e7b834</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-latin-word-formica-means-ant-the-name-formic-acid-is-6a00aa07db22397c61e7b835</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-empirical-formula-of-an-oxide-of-nitrogen-containing-30-6a00aa07db22397c61e7b836</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/indicate-which-of-the-following-statements-is-not-true-as-we-6a00aa07db22397c61e7b837</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/in-the-redox-reaction-2fe-2e-cl-2-2fe-3e-2e-6a00aa07db22397c61e7b838</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/how-many-grammes-of-hydrogen-gas-will-be-liberated-when-6g-6a00aa07db22397c61e7b839</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/nch-2-ch-2-ch-2-ch-2-n-the-above-equation-at-1500atm-and-6a00aa07db22397c61e7b83a</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/dehydration-of-ch-3-ch-2-ch-2-ch-2-oh-gives-6a00aa07db22397c61e7b83b</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/how-many-grammes-of-bromine-will-saturate-5-20g-of-but-l-ene-6a00aa07db22397c61e7b83c</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-best-method-to-separate-mixture-of-hexane-pt-41-9k-and-6a00aa07db22397c61e7b83d</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/in-a-qualitative-analysis-which-of-these-elements-carbon-6a00aa07db22397c61e7b83e</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/which-of-the-following-is-not-correct-for-sigma-bond-6a00aa07db22397c61e7b83f</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/which-of-the-following-organic-compounds-will-dissolve-6a00aa07db22397c61e7b840</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/geometrical-isomers-are-6a00aa07db22397c61e7b841</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-breakdown-of-large-molecules-in-fuel-oil-into-smaller-6a00aa07db22397c61e7b842</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/c-4-h-10-13-2-o-12-4co-2-5h-2-o-the-above-equation-is-a-6a00aa07db22397c61e7b843</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/2-4-dinitrophemy-hydrazine-is-a-reagent-used-till-testing-6a00aa07db22397c61e7b844</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/kipp-s-apparatus-is-used-for-the-laboratory-preparation-of-6a00aa07db22397c61e7b845</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/tollen-reagent-is-used-to-differentiate-between-which-pairs-6a00aa07db22397c61e7b846</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-solubility-of-solids-increases-with-an-increase-in-the-6a00aa07db22397c61e7b847</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/in-the-contact-process-for-the-manufacture-of-sulphuric-acid-6a00aa07db22397c61e7b848</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/ammonia-is-used-as-a-commercial-refrigerant-because-6a00aa07db22397c61e7b849</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/9fe-2-o-3-2nh-3-6fe-3-o-4-n-2-3h-2-o-according-to-the-6a00aa07db22397c61e7b84a</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/what-is-the-iupac-name-of-the-compound-whose-structure-is-6a00aa07db22397c61e7b84b</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-composition-of-gunpowder-is-6a00aa07db22397c61e7b84c</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2013-2014/the-correct-arrangement-of-the-petroleum-fractions-in-order-6a00aa07db22397c61e7b84d</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/sieving-is-a-technique-used-to-separate-mixtures-containing-6a00aa07db22397c61e7b7fe</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/which-of-the-following-compounds-is-composed-of-al-si-o-and-6a00aa07db22397c61e7b7ff</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/calculate-the-molarity-of-a-solution-containing-7-0g-of-6a00aa07db22397c61e7b800</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/in-the-titration-of-oxalic-acid-against-sodium-hydroxide-the-6a00aa07db22397c61e7b801</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/hydrogen-bomb-is-based-on-the-principle-of-6a00aa07db22397c61e7b802</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/the-iupac-name-of-coordination-compound-k-3-fe-cn-6-is-6a00aa07db22397c61e7b803</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/the-nucleus-of-an-atom-consists-of-6a00aa07db22397c61e7b804</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/the-law-which-states-that-the-amount-a-gas-dissolved-in-a-6a00aa07db22397c61e7b805</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/below-is-a-paper-chromatogram-of-a-mixture-of-dyes-which-dye-6a00aa07db22397c61e7b806</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/a-hydrocarbon-contains-20-by-mass-of-hydrogen-what-is-its-6a00aa07db22397c61e7b807</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/which-of-the-following-is-not-true-for-sigma-bond-6a00aa07db22397c61e7b808</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/what-is-the-hybridization-of-the-carbon-atoms-marked-with-6a00aa07db22397c61e7b809</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/which-of-the-following-is-an-aromatic-compound-6a00aa07db22397c61e7b80a</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/one-of-the-main-points-of-dalton-s-atomic-theory-can-be-6a00aa07db22397c61e7b80b</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/which-of-the-following-is-true-6a00aa07db22397c61e7b80c</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/an-increase-in-concentration-of-reactants-will-increase-the-6a00aa07db22397c61e7b80d</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/consider-the-reaction-n-2-o-4-g-colourless-2no-2-g-dark-6a00aa07db22397c61e7b80e</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/the-electronic-configuration-of-the-aluminium-atom-is-6a00aa07db22397c61e7b80f</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/which-one-of-the-following-is-not-true-about-chlorine-water-6a00aa07db22397c61e7b810</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/what-is-the-oxidation-number-of-chromium-in-potassium-6a00aa07db22397c61e7b811</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/the-solubility-of-solids-increases-with-an-increase-in-the-6a00aa07db22397c61e7b812</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/in-the-contact-process-for-the-manufacture-of-sulphuric-acid-6a00aa07db22397c61e7b813</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/cu-s-hno-3-l-cu-no-3-2-l-h-2-o-l-2no-2-g-in-the-above-6a00aa07db22397c61e7b814</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/which-of-the-following-salt-is-used-in-the-preparation-of-6a00aa07db22397c61e7b815</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/ammonia-is-used-as-a-commercial-refrigerant-because-6a00aa07db22397c61e7b816</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/if-a-salt-is-dissolved-in-water-and-the-resulting-solutions-6a00aa07db22397c61e7b817</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/which-of-the-following-statements-is-correct-about-osmotic-6a00aa07db22397c61e7b818</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/the-heat-change-associated-with-a-given-chemical-change-is-6a00aa07db22397c61e7b819</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/electrovalency-is-best-favoured-by-6a00aa07db22397c61e7b81a</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/which-of-the-following-better-defines-a-black-body-6a00aa07db22397c61e7b81b</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/what-is-the-advantage-of-alloying-lead-with-tin-6a00aa07db22397c61e7b81c</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/which-of-these-ions-gives-a-dark-green-precipitate-with-6a00aa07db22397c61e7b81d</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/what-is-the-effect-of-addition-of-a-catalyst-on-a-reversible-6a00aa07db22397c61e7b81e</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/which-of-these-statements-is-true-6a00aa07db22397c61e7b81f</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/when-the-trixonitrate-v-salt-of-an-alkali-metal-m-is-heated-6a00aa07db22397c61e7b820</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/chromatograph-is-used-to-separate-components-of-mixtures-6a00aa07db22397c61e7b821</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/the-number-of-hydrogen-ions-in-4-9g-of-tetraoxosulphate-v-6a00aa07db22397c61e7b822</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/which-of-the-following-tests-will-completely-identify-any-6a00aa07db22397c61e7b823</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/in-the-haber-process-for-the-manufacture-of-ammonia-the-6a00aa07db22397c61e7b824</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2012-2013/a-metallic-oxide-which-reacts-with-both-hcl-and-naoh-to-give-6a00aa07db22397c61e7b825</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/what-mass-of-silver-is-deposited-when-96500c-of-electricity-6a00aa07db22397c61e7b7d6</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/which-of-these-groups-of-elements-react-with-cold-water-6a00aa07db22397c61e7b7d7</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/to-2-0cm-3-of-a-solution-of-sample-x-naoh-solution-was-added-6a00aa07db22397c61e7b7d8</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/two-radioactive-elements-q-and-s-have-half-life-periods-of-6a00aa07db22397c61e7b7d9</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/complete-oxidation-of-ch-3-ch-2-ch-2-oh-yields-6a00aa07db22397c61e7b7da</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/give-the-iupac-name-for-this-compound-6a00aa07db22397c61e7b7db</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/the-ground-state-electronic-configuration-of-calcium-ca-z-20-6a00aa07db22397c61e7b7dc</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/what-type-of-bond-is-indicated-by-the-arrow-in-the-following-6a00aa07db22397c61e7b7dd</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/which-of-the-following-reactions-gives-the-silver-mirror-6a00aa07db22397c61e7b7de</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/the-product-of-the-reaction-benzene-ch-3-cocl-with-alcl-3-as-6a00aa07db22397c61e7b7df</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/potassium-nitrate-decomposes-according-to-the-equation-2kno-6a00aa07db22397c61e7b7e0</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/which-of-the-following-statement-is-correct-when-hydrogen-6a00aa07db22397c61e7b7e1</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/which-of-the-following-chemical-reaction-is-not-exothermic-6a00aa07db22397c61e7b7e2</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/select-the-equation-representing-the-action-of-steam-on-red-6a00aa07db22397c61e7b7e3</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/permanent-hardness-of-water-is-due-to-the-presence-of-6a00aa07db22397c61e7b7e4</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/a-suitable-indicator-used-for-titration-of-oxalic-acid-and-6a00aa07db22397c61e7b7e5</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/which-of-the-following-mixtures-can-be-separated-by-6a00aa07db22397c61e7b7e6</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/in-the-equation-below-no-3-8h-nh-3-2h-2-o-nitrogen-is-6a00aa07db22397c61e7b7e7</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/nitrogen-is-very-uncreative-because-6a00aa07db22397c61e7b7e8</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/a-brand-of-ink-containing-cobalt-ii-copper-ii-and-iron-can-6a00aa07db22397c61e7b7e9</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/which-of-the-following-substances-is-a-mixture-6a00aa07db22397c61e7b7ea</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/the-atomic-numbers-of-two-elements-x-and-y-are-12-and-9-6a00aa07db22397c61e7b7eb</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/in-the-purification-of-town-water-supply-alum-is-used-6a00aa07db22397c61e7b7ec</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/an-increase-in-temperature-causes-an-increase-in-the-6a00aa07db22397c61e7b7ed</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/the-energy-change-accompanying-the-addition-of-an-electron-6a00aa07db22397c61e7b7ee</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/an-eruption-polluted-an-environment-with-a-gas-suspected-to-6a00aa07db22397c61e7b7ef</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/the-atomic-number-of-cesium-is-55-and-its-atomic-mass-is-133-6a00aa07db22397c61e7b7f0</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/four-elements-p-q-r-and-s-have-atomic-numbers-of-4-10-12-and-6a00aa07db22397c61e7b7f1</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/if-zno-dissolves-in-sodium-hydroxide-and-mineral-acid-6a00aa07db22397c61e7b7f2</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/chromatography-is-used-to-separate-components-of-mixtures-6a00aa07db22397c61e7b7f3</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/which-of-the-following-is-an-example-of-a-chemical-change-6a00aa07db22397c61e7b7f4</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/the-number-of-hydrogen-ions-in-4-9g-of-tetraoxosulphate-v-6a00aa07db22397c61e7b7f5</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/what-volume-of-oxygen-will-remain-after-reacting-8cm-3-of-6a00aa07db22397c61e7b7f6</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/a-gas-sample-with-an-initial-volume-of-3-25dm-3-is-heated-6a00aa07db22397c61e7b7f7</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/two-cylinders-a-and-b-each-contain-30cm-3-of-oxygen-and-6a00aa07db22397c61e7b7f8</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/a-liquid-begins-to-boil-when-6a00aa07db22397c61e7b7f9</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/a-particle-that-contains-8-protons-9-neutrons-and-7-6a00aa07db22397c61e7b7fa</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/use-the-periodic-table-below-to-answer-questions-39-and-40-6a00aa07db22397c61e7b7fb</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/use-the-periodic-table-below-to-answer-questions-39-and-40-6a00aa07db22397c61e7b7fc</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2011-2012/the-law-which-states-that-the-amount-a-gas-dissolved-in-a-6a00aa07db22397c61e7b7fd</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/fractional-distillation-of-crude-oil-from-kaduna-refinery-6a00aa07db22397c61e7b7ae</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/alkaline-hydrolysis-of-vegetable-oil-produces-fatty-acids-6a00aa07db22397c61e7b7af</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/the-molecule-hoch-2-ch-chclch-3-is-called-6a00aa07db22397c61e7b7b0</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/during-electrolysis-of-a-silver-salt-10920-coulombs-of-6a00aa07db22397c61e7b7b1</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/copper-ii-oxide-is-an-example-of-6a00aa07db22397c61e7b7b2</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/what-is-the-ph-of-a-0-20m-solution-of-hcl-6a00aa07db22397c61e7b7b3</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/what-is-the-molarity-of-25cm-3-of-a-solution-which-contains-6a00aa07db22397c61e7b7b4</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/which-of-the-following-compounds-is-not-aromatic-6a00aa07db22397c61e7b7b5</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/222-88-r-218-86-x-4-2-he-the-above-nuclear-reaction-is-an-6a00aa07db22397c61e7b7b6</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/the-following-are-methods-of-preparing-bases-except-6a00aa07db22397c61e7b7b7</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/the-alkenes-form-a-homologous-series-of-saturated-6a00aa07db22397c61e7b7b8</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/alkynes-have-a-carbon-carbon-triple-bond-with-a-general-6a00aa07db22397c61e7b7b9</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/how-many-empty-orbitals-have-nitrene-6a00aa07db22397c61e7b7ba</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/which-of-the-following-contain-carbon-that-is-sp-hybridized-6a00aa07db22397c61e7b7bb</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/the-noble-gases-group-0-of-the-periodic-table-have-filled-6a00aa07db22397c61e7b7bc</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/to-achieve-stability-an-element-gains-or-loses-the-number-of-6a00aa07db22397c61e7b7bd</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/which-of-the-following-metals-is-not-normally-extracted-by-6a00aa07db22397c61e7b7be</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/which-of-the-following-represents-a-redox-reaction-6a00aa07db22397c61e7b7bf</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/if-an-element-has-the-electronic-configuration-1s-2-2s-2-2p-6a00aa07db22397c61e7b7c0</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/in-which-of-the-following-are-the-elements-arranged-in-6a00aa07db22397c61e7b7c1</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/the-acid-which-occurs-in-ants-stinging-betties-pine-needles-6a00aa07db22397c61e7b7c2</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/bohr-s-model-of-the-atom-can-be-used-to-explain-6a00aa07db22397c61e7b7c3</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/crystals-in-which-all-the-atoms-are-linked-by-a-continuous-6a00aa07db22397c61e7b7c4</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/which-of-the-following-is-are-true-of-avogadro-number-6a00aa07db22397c61e7b7c5</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/the-heat-change-associated-with-a-given-chemical-change-is-6a00aa07db22397c61e7b7c6</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/electro-valent-bond-is-best-favoured-by-6a00aa07db22397c61e7b7c7</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/which-of-the-following-is-most-correct-of-a-double-salt-6a00aa07db22397c61e7b7c8</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/the-normal-boiling-point-of-a-liquid-is-the-temperature-at-6a00aa07db22397c61e7b7c9</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/in-carbon-atom-the-wave-functions-for-the-respective-6a00aa07db22397c61e7b7ca</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/the-formula-ch-2-o-for-ethanoic-acid-is-regarded-as-its-6a00aa07db22397c61e7b7cb</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/which-of-the-following-gases-contains-the-least-number-of-6a00aa07db22397c61e7b7cc</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/the-chromatographic-separation-of-ink-is-based-on-the-6a00aa07db22397c61e7b7cd</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/a-compound-contains-31-91-potassium-28-93-chlorine-and-the-6a00aa07db22397c61e7b7ce</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/a-little-quantity-of-trichloromethane-b-pt-60-c-was-added-to-6a00aa07db22397c61e7b7cf</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/the-gas-that-gives-brown-colouration-in-brown-ring-test-is-6a00aa07db22397c61e7b7d0</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/which-of-the-following-gives-a-precipitate-when-treated-with-6a00aa07db22397c61e7b7d1</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/the-reaction-of-an-alkene-with-hydrogen-in-the-presence-of-a-6a00aa07db22397c61e7b7d2</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/a-rock-sample-was-added-to-cold-dilute-hno-3-the-gas-evolved-6a00aa07db22397c61e7b7d3</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/the-intermediate-product-formed-when-ethanol-is-6a00aa07db22397c61e7b7d4</loc><lastmod>2026-05-10</lastmod></url>
  <url><loc>https://teacha.io/past-questions/nda/chemistry-wqgwttqfhj/2010-2011/the-nucleus-of-an-atom-consists-of-6a00aa07db22397c61e7b7d5</loc><lastmod>2026-05-10</lastmod></url>
</urlset>