2018 JAMB UTME Chemistry Past Questions

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2018

In the upper atmosphere, the ultra-violet light breaks off a free chlorine atom from chlorofluorocarbon molecule. The effect of this is that the free chlorine atom will

2018

Which of the following separation techniques can be employed in obtaining solvent from its solution?

2018

A sample of hard water contains some calcium sulphate and calcium hydrogen carbonate. The total hardness may therefore be removed by

2018

When large hydrocarbon molecules are heated at high temperature in the presence of a catalyst to give smaller molecules, the process is known as

2018

Which of the compounds is composed of Al, Si, O and H?

2018

H\(_2\) S\(_{(g)}\) + Cl\(_{2(g)}\) → 2HCl\(_{(g)}\) + S\(_{(g)}\) In the reaction above, the substance that is reduced is

2018

The elements in the periodic table are listed in order of increasing

2018

The alkanoic acid found in human sweat is

2018

The general formula of alkanones is

2018

The situation obtained when a perfect gas expands into a vacuum is

2018

3H\(_{2(g)}\)+ N2 ⇔ 2NH\(_{3(g)}\) ; H= -veIn the reaction above, lowering of temperature will

2018

Sieving is a technique used to separate mixtures containing solid particles of

2018

If the molecular mass of tetraoxosulphate (VI) acid is 98, calculate its vapour density.

2018

Which of these alloys contains copper?

2018

Calculate the percentage composition of oxygen in calcium trioxocarbonate(IV) [Ca=40, C=12, O=16]

2018

The ionic radii of metals are usually

2018

In electrovalency, the oxidation number of the participating metal is always

2018

The derivative of benzene that can be used in making explosives is

2018

2018 JAMB UTME Chemistry Past Questions

In the upper atmosphere, the ultra-violet light breaks off a free chlorine atom from chlorofluorocarbon molecule. The effect of this is that the free chlorine atom will

Which of the following separation techniques can be employed in obtaining solvent from its solution?

A sample of hard water contains some calcium sulphate and calcium hydrogen carbonate. The total hardness may therefore be removed by

When large hydrocarbon molecules are heated at high temperature in the presence of a catalyst to give smaller molecules, the process is known as

Which of the compounds is composed of Al, Si, O and H?

H\(_2\) S\(_{(g)}\) + Cl\(_{2(g)}\) → 2HCl\(_{(g)}\) + S\(_{(g)}\) In the reaction above, the substance that is reduced is

The elements in the periodic table are listed in order of increasing

The alkanoic acid found in human sweat is

The general formula of alkanones is

The situation obtained when a perfect gas expands into a vacuum is

3H\(_{2(g)}\)+ N2 ⇔ 2NH\(_{3(g)}\) ; H= -veIn the reaction above, lowering of temperature will

Sieving is a technique used to separate mixtures containing solid particles of

If the molecular mass of tetraoxosulphate (VI) acid is 98, calculate its vapour density.

Which of these alloys contains copper?

Calculate the percentage composition of oxygen in calcium trioxocarbonate(IV) [Ca=40, C=12, O=16]

The ionic radii of metals are usually

In electrovalency, the oxidation number of the participating metal is always

The derivative of benzene that can be used in making explosives is

During the electrolysis of copper II sulphate between platinum electrodes, if litmus solution is added to the anode compartment

Elements P, Q, R, S have 6, 11, 15, 17 electrons respectively, therefore,