WAEC Chemistry Past Questions & Answers - Page 123

611.

Which of the following reactions is common to all hydrocarbones?

A.

Combustion

B.

Addition

C.

Polymerization

D.

Condensation

Correct answer is A

No explanation has been provided for this answer.

612.

How many isomers has C 3H 6CI 2?

A.

2

B.

3

C.

4

D.

5

Correct answer is A

No explanation has been provided for this answer.

613.

Which of the following organic compounds would decolourize bromie water?

A.

Benzene

B.

Cyclobutane

C.

Hexane

D.

Pentane

Correct answer is A

No explanation has been provided for this answer.

614.

The major product formed by the reaction between ethanoic acid and aqueous sodium hydroxide is

A.

soap

B.

sodium ethanoate

C.

sodium methoxide

D.

water

Correct answer is B

No explanation has been provided for this answer.

615.

The separation of petroleum fractions depends on the differences in their

A.

melting points

B.

molar masses

C.

solubilities

D.

boiling points

Correct answer is D

No explanation has been provided for this answer.