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.

3,601.

An example of element that can catenate is

A.

bromine

B.

nitrogen

C.

chlorine

D.

carbon

Correct answer is D

No explanation has been provided for this answer.

3,602.

Which of the following gives a precipitate when treated with NaOH solution?

A.

AlCl3

B.

NH4CL

C.

CH3COONa

D.

Na2CO3

Correct answer is A

No explanation has been provided for this answer.

3,603.

Ethanol can easily be produced by

A.

fermentation of starch

B.

distillation of starch solution

C.

catalytic oxidation of methane

D.

destructive distillation of wood

Correct answer is A

No explanation has been provided for this answer.

3,604.

The gas that gives brown colouration in brown ring test is

A.

NO

B.

CO2

C.

NO2

D.

CO

Correct answer is A

No explanation has been provided for this answer.

3,605.

Steam changes the colour of anhydrous cobalt (II) chloride from

A.

blue to pink

B.

white to red

C.

white to green

D.

blue to white

Correct answer is A

No explanation has been provided for this answer.