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.

2,601.

Stainless steel is an alloy of?

A.

Iron, carbon and silver

B.

iron, carbon and lead

C.

iron, carbon and chromium

D.

iron and carbon only

Correct answer is C

No explanation has been provided for this answer.

2,602.
2,603.

When sodium hydroxide is heated with ammonium tetraoxosulphate (IV), the gas given off may be collected by?

A.

bubbling it through concentrated H2SO2

B.

bubbling it through water and then passing it through calcium oxide

C.

passing it directly through calcium oxide

D.

passing it directly through calcium chloride

Correct answer is C

No explanation has been provided for this answer.

2,604.
2,605.

In which of the following pairs of element is allotropy exhibited by each element?

A.

Phosphorus and hydrogen

B.

Oxygen and chlorine

C.

Sulphur and nitrogen

D.

Oxygen and sulphur

Correct answer is D

No explanation has been provided for this answer.