WAEC Chemistry Past Questions & Answers - Page 69

341.

A substance responsible for the sour taste of unripe orange is

A.

Alkene

B.

Alkanol

C.

Alkanoic acid

D.

Alkanoate

Correct answer is C

No explanation has been provided for this answer.

342.

Which of the following process does not take place in domestic water treatment?

A.

Chlorination

B.

Flocculation

C.

Neutralization

D.

Sedimentation

Correct answer is C

No explanation has been provided for this answer.

343.

Which of the following substances is a heavy chemical?

A.

Ammonia

B.

Barim Hydroxide

C.

Hydrochloric acid

D.

Tetraoxosulphate(VI)acid

Correct answer is D

No explanation has been provided for this answer.

344.

Starch could be converted to glucose by the process of

A.

Condensation

B.

Dehydration

C.

Fermentation

D.

Hydrolysis

Correct answer is D

No explanation has been provided for this answer.

345.

Which of the following reactions would take place when concentrated sodium hydroxide solution is added to palm oil?

A.

Esterification

B.

Neutralization

C.

Polymerization

D.

Saponification

Correct answer is D

No explanation has been provided for this answer.