JAMB Chemistry Past Questions & Answers - Page 116

576.

In the diagram above, mixture Y is

A.

NH4NO3(s) + CaSO4(s),/sub>

B.

NH4CL(s) + NaNO2(s)

C.

NH4NO2(s) + Na2SO4(s)

D.

NH4CL(s) + Ca(OH)2(s)

Correct answer is D

No explanation has been provided for this answer.

577.

In the diagram above, gas X is

A.

hydrogen

B.

chlorine

C.

oxygen

D.

hydrogen chloride

Correct answer is C

No explanation has been provided for this answer.

578.

The IUPAC nomenclature of the compound above is

A.

2-ethylpentane

B.

3,4-dimethylhexane

C.

2,3-dimethylhexane

D.

2-ethylhexane

Correct answer is B

No explanation has been provided for this answer.

579.

In the experiment above, X is a mixture of nitrogen, carbon (IV) oxide and

A.

water

B.

impurities

C.

inert gas

D.

oxygen

Correct answer is C

No explanation has been provided for this answer.