JAMB Chemistry 2016 Past Questions

In an electrochemical cell, polarization is caused by

The condition required for corrosion to take place is the presence of

The enzyme used in the hydrolysis of starch to dextrin and maltose is

In the laboratory preparation of chlorine from concentrated hydrochloric acid in the presence of potassuim tetraoxomanganate(VII) the produced is dried by passing it through

The monomer of nylon is

The principle of column chromatography is based on th ability of the constituents to

Ammonium chloride can be separated from its mixture with common salt by

The ability of carbon to form long chains is referred to as

The industrial preparation of hydrogen gas from water gas is referred to as

The relative atomic mass of a naturally occurring lithium consisting of 90%\(\frac{7}{3}\)Li and 10%\(\frac{6}{3}\)Li is

The colour of litmus in an alkaline medium is

The compounds CH₃CH₂CHO and CH₃COCH₃ can be distinguished from each other using

Which of the following statements is true about 2-methylpropane and butane

The process that requires the use of hardwater in its operation is

What is the concentration of a solution containing 2g of NaOH in 100cm³ of solution?
[Na=23, O=16, H=1]

The radioisotope used in industrial radiography for the rapid checking of faults in welds and casting is

The compound produced when sodium peroxide is heated with excess sodium is

The pollutant that contributes to the depletion of the ozone layer is

Which of the following properties is not peculiar to matter?

Cast iron is used in making

Which of the following compounds is used as a gaseous fuel?

The product formed when propanol is heated over a copper catalyst in the absence of oxygen are

Alkanols have the general molecular formula

Which of the following is not an alkali?

Which of the following statements is correct about the periodic table?

The metal whose ore can be concentrated by passing it through a magnetic separator is

An example of an acidic oxide is

What volume of 0.5 MH₂SO₄ will exactly neutralize 20cm³ of 0.1 MNaOH Solution?

Diamond cannot be used

Ethanol is soluble in water due to the presence of a

The number of electronic shells contained in an atom with electron configuration 1s²2s²2p⁶3s²3p⁶4s² is

The drying agent suitable for drying ammonia is

The arrangement of particles in crystal lattices can be studied using

In a neutralization reaction involving HCI and NaOH using litmus as indicator, the colour at the end point is

An example of a solid emulsion is

An isotope has an atomic number of 15 and a mass number of 31. The number of proton it contains is

Calculate the volume in cm³ of oxygen evolved at s.t.p when a current of 5A is passed through acidified water for 193s?
[F = 96500 C mol¹. Molar volume of a gas at s.t.p = 22.4dm³]

The gas that is used for the treatment of cancer is

A chemical reaction in which the hydration energy is greater than the lattice energy is referred to as

MnO_4(aq) + Y 5Fe²⁺ _(aq) \(\mapsto\) Mn²⁺ _(aq) + 5Fe ²⁺ _(aq) + 4H₂O₍₁₎

In the equation above, Y is

The compound above exhibits

n monosaccharide \( \underset{Q}{\stackrel{P}{\rightleftharpoons}} \) polysaccharide -n water.

In the process above, P and Q respectively represent

The functional groups present in the compound above are

In the diagram above, X is the

The diagram represents

The curve depicts titration between

From the diagram above, an ideal gas can be represented by

CH_4(g) + CI_2(g) \(\to\) CH₂CI_(s) + HCI_g

The major factor that influences the rate of the reaction above is

N₂O_4(aq) \(\rightleftharpoons\) 2NO_2(g) \(\bigtriangleup\)H = +ve

In the reaction above, an increase in temperature will