2004 JAMB UTME Chemistry Past Questions

2004

Which of these reagents can confirm the presence of a triple bond?

2004

According to charles' law, the volume of a gas becomes zero at

2004

What volume of gas is evolved at S.t.p if 2g of calcium trioxocarbonate (IV) is added to a solution of hydrochloric acid?[Ca = 40, C = 12, O = 16, Cl = 35.5, H = 1 Molar volume of agas at s.t.p = 22.4 dm3

2004

If a solution contains 4.9g of tetraoxosulphate (VI) acid, calculate the amount of copper (II) oxide that will react with it[Cu = 64, O = 16, S = 32, H = 1]

2004

A chemical reaction is always associated with

2004

When a solid substance disappears completely as a gas on heating, the substance is said to have undergone

2004

22688Ra → x86Rn + α - particleWhat is the value of x in the nuclear reaction above?

2004

The shape of s-orbitals is

2004

An electron can be added to a halogen atom to form a halide ion with

2004

A given volume of methane diffuses in 20s. How long will it take the same volume of sulphur (IV) oxide to diffuse under the same conditions?[C = 12, H = 1, S = 32, O = 16].

2004

It is difficult to achieve an orderly arrangement of the molecules of a gas because they

2004

Pollution of underground water by metal ions is very likely in the soil that has high

2004

Hardness of water is caused by the presence of ions of

2004

Which of the following mixture of gases is likely to burn in flame

2004

Chlorine consisting of two isotopes of mass number 35 and 37 in the ratio 3:1 has an atomic mass of 35.5. Calculate the relative abundance of the isotopes of mass number 37

2004

The property of chlorine which causes hydrogen chloride to be more ionic than the chlorine molecules is its

2004

Which of the following compound is a normal salt?

2004

Calcium tetraoxosulphate (VI) dissolves in water only sparingly to form a

2004

A carcinogenic substance is

2004

The mass of silver deposited when a current of 10a is passed through a solution of silver salt for 4830s is[Ag = 108, F = 96500 c mol-1]

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