WAEC Chemistry Past Questions & Answers - Page 135

671.

Which of the following factors would not affect the solubility of a gas?

A.

Concentration

B.

Nature of solvent

C.

Pressure

D.

Temperature

Correct answer is A

No explanation has been provided for this answer.

672.

Which of the following chlorides is insoluble in water?

A.

AgCI

B.

KCI

C.

NH4CI

D.

ZnCI2

Correct answer is A

No explanation has been provided for this answer.

673.

The following substances are normal salts except

A.

AI(NO3)3

B.

FeSO4

C.

Mg(OH)NO3

D.

NaCI

Correct answer is C

No explanation has been provided for this answer.

674.

Which of the following equimolar solutions would have the highest conductivity?

A.

NH4NO3(aq)

B.

NaNO3(aq)

C.

Mg(NO3)2(aq)

D.

AI(NO3)3(aq)

Correct answer is B

No explanation has been provided for this answer.

675.

Which of the following oxides is basic?

A.

NO2

B.

AI2O3

C.

SO2

D.

CaO

Correct answer is D

No explanation has been provided for this answer.