WAEC Chemistry Past Questions & Answers - Page 267

1,331.

The formula (CH3),3 COH is that of a

A.

polyhdric alkanol

B.

secondary alkanol

C.

tertiary alkanol

D.

primary alkanol

E.

trihydric alkanol

Correct answer is C

No explanation has been provided for this answer.

1,332.
1,333.

When sucrose is warmed with Fehling's solution

A.

a silver mirror is produced

B.

the solution turns milky

C.

a brick-red precipitate is formed

D.

there is no precipitate

E.

a blue coloration is produced

Correct answer is D

No explanation has been provided for this answer.

1,334.

The following salts are readily soluble in water except

A.

Na2CO3

B.

Pb(NO3)2

C.

KCI

D.

CuCO3

E.

PbSO4

Correct answer is D

No explanation has been provided for this answer.

1,335.

Which of the following involves the decomposition enzymic action?

A.

Esterification

B.

Fermentation

C.

Dehydration

D.

Polymerization

E.

Saponification

Correct answer is B

No explanation has been provided for this answer.