WAEC Past Questions and Answers - Page 1771

8,851.

Which of the following groups contains entirely linear molecules?

A.

H 2NH3O 2

B.

CO2NH 3 2

C.

H 2CH4N2

D.

CO2H2N2

E.

CH 4O 2CO 2

Correct answer is D

No explanation has been provided for this answer.

8,852.

The product of the reaction between propanoic acid and ethanol is

A.

prophlmethanoate

B.

ethylethanoate

C.

methylpropanoate

D.

propylethanoate

E.

ethylpropanoate

Correct answer is E

No explanation has been provided for this answer.

8,853.

The main aim of preparing a farm income and expenditure statement is to

A.

Record all purchases

B.

Outline the sales of the farm

C.

Outline both sales and purchases

D.

Calculate profit or loss

Correct answer is D

No explanation has been provided for this answer.

8,854.

Which of the following minerals contains flurine as one of its constituent elements?

A.

Cryolite

B.

Bauxite

C.

Potash alum

D.

Kaolin

E.

Mica

Correct answer is A

No explanation has been provided for this answer.

8,855.

Which of the following pH values is likely to be that of a slightly alkaline solution?

A.

2

B.

5

C.

7

D.

8

E.

13

Correct answer is D

No explanation has been provided for this answer.