Chemistry and Industry - Jamb Chemistry Past Questions and Answers

Question 96:

• JAMB 2000

Hydration of ions in solution is associated with

A. Absorption of heat
B. Reduction of heat
C. Conduction of heat
D. Liberation of heat

Question 97:

• JAMB 2000

The substance often use for vulcanization of rubber is

A. Chlorine
B. Hydrogen peroxide
C. Sulphur
D. Tetraoxosulphate (IV) acid

Question 98:

• JAMB 2000

A form of carbon used for absorbing poisonous gases and purification of noble gases is

A. Wood charcoal
B. Animal charcoal
C. Carbon fibres
D. Carbon black

Question 99:

• JAMB 2000

Synthesis gas is a mixture of

A. CH₄ and H₂O
B. CH₄ and H₂
C. CO₂ and H₂
D. CO and H₂

Question 100:

• JAMB 2000

The repeating unit in natural rubber is

A. Alkyne
B. Isoprene
C. N-propene
D. Peoprene