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Chemistry Past Questions and Answers

Jamb Chemistry Questions

Question 16:

The dispersion of a liquid in a liquid medium will give

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A An emulsion
B A fog
C A gel
D An aerosol

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Question 17:

The major and most effective way of controlling pollution is to

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A Improve machinery so that the substances released from combustion are less harmful
B Pass strict laws against it by individuals and companies
C Educate people on the causes and effects of pollution
D Convert chemical wastes to harmless substances before releasing them into the environment

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Question 18:

The basicity of CH₃COOH is

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A 4
B 1
C 2
D 3

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Question 19:

The colour of litmus in a neutral medium is

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A Purple
B Pink
C Yellow
D Orange

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Question 20:

The mathematical expression of PH is

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A Log ₁₀[OH^-]
B Log ₁₀1/[H ₃ O⁺]
C Log ₁₀[H ₃ O⁺]
D Log ₁₀1/[OH ^-]

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