Chemistry questions and answers

Chemistry Questions and Answers

Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.

1,981.

Alkanes are used mainly

A.

in the production of plastics

B.

as domestic and industrial fuels

C.

in the textile industry

D.

in the hydrogenation of oils

E.

as fine chemicals

Correct answer is B

No explanation has been provided for this answer.

1,982.

Trioxosulphate (lV) acid is not stored for a long period because it

A.

is a weak dibasic acid

B.

has bleaching properties

C.

is unstable and eaily decomposed

D.

smells strongly of sulphur (lV) oxide

E.

can act as a germicide

Correct answer is C

No explanation has been provided for this answer.

1,983.

Which of the following solids has a network structure?

A.

Diamond

B.

lodine

C.

Sulphur

D.

Graphite

E.

lron

Correct answer is A

No explanation has been provided for this answer.

1,984.

Starch undergoes complete hydrolysis to produce

A.

maltose

B.

lactose

C.

fructose

D.

glucose

E.

sucrose

Correct answer is D

No explanation has been provided for this answer.

1,985.

Which of the following separation is routinely applied in the petroleum industry

A.

Filtration

B.

Chromatography

C.

Evaporation

D.

Fractional crystallization

E.

Fractional distillation

Correct answer is E

No explanation has been provided for this answer.