JAMB Past Questions and Answers - Page 1545

7,721.

Which of the following substances are all made by the process of polymerization?

A.

Nylon and soap

B.

Ethanoic acid margarine and ethanol

C.

Nylon and artificial rubber

D.

Soap and butane

E.

Margarine and nylon

Correct answer is C

No explanation has been provided for this answer.

7,722.

Which are the correct IUPAC names for H-CO\(_2\)CH\(_3\) and CH \(\equiv\) CH

A.

Methyl methanoate and ethene

B.

Metanoic acid and ethyne

C.

Ethyl methanoate and ethyne

D.

Methyl methanoate and ethyne

E.

Ethanoic acid and ethene

Correct answer is D

No explanation has been provided for this answer.

7,724.

An example of oxidation - reduction enzyme is

A.

amylase

B.

protease

C.

lipase

D.

dehydrogenase

Correct answer is D

No explanation has been provided for this answer.

7,725.

Ethanol reacts with concentrated tetraoxosulphate (VI) acid at a temperature above 170 oC to form

A.

ethanone

B.

ethene

C.

ethyne

D.

ethanal

Correct answer is B

No explanation has been provided for this answer.