UNIPORT Chemistry 2014/2015 Past Questions

In the following balanced ionic equation, the value of A ans B are AMnO⁴ + Mn²⁺ + 8H⁺ + H²O

....... millilitres of water is needed to dilute 64.8mol of 0.15M HF to obtain 0.03M HF

If 1.65g of CaSO, salt is required to make a saturated solution with 12.4cm³ of water at 25°c. Calculate the
Solubility of salt at 25°c (molar mass of CaSO₄ in 130g/mol)

...... has no effect on the position of a system at equilibrium and helps to be attained in a shorter time

Gregory concluded that iron(ii)chloride is a ...... Substance, since it forms solution on exposure to atmosphere

The decreasing order of the relative strength fo these acids p. HNO₃q. HBr r. HCIO₄ and o. H₂ is .......

the production of fruit juice at a free energy change of -345KJ/mol nd equilibrium constant of 3.66 × 10¹² occurred at a temperature of ...... (gas constant = 8.314j/k/mol)

Oxidation reaction is the process of the following except .......

If the free energy change ΔG of an equilibrium reaction is zero, the reaction will ........

The ability of carbon to form bonds with other carbon atoms thereby giving many interesting compounds is known as

when an s-orbital of a carbon atom mixes with three p-orbitals, the hybrid orbital formed is

In the sodium fashion test, nitrogen compounds are converted to