WAEC Past Questions and Answers - Page 1660

8,296.

A positive reaction to Fehling's test indicates the presence of

A.

strach

B.

reducing sugars

C.

oxidizing agents

D.

alkanoic acids

E.

alkanols

Correct answer is B

No explanation has been provided for this answer.

8,297.

The products of the reaction between CH3CH 2COOH and CH3OH are H 2
O and

A.

CH 3CH2COOCH3

B.

CH3CH 2COOCH 2CH 3

C.

CH3CH2CH2COOH

D.

CH3CH2CH2OH

E.

CH3COOH

Correct answer is A

No explanation has been provided for this answer.

8,298.

When alkanols react with sodium, the ga evolved is

A.

hydrogen

B.

oxygen

C.

methane

D.

ethyne

E.

carbon (IV) oxide

Correct answer is A

No explanation has been provided for this answer.

8,299.

Dehydration of ethanol produces

A.

ethanoic acid

B.

propan-1,2,3-triol

C.

ethene

D.

ethanal

E.

methanol

Correct answer is C

No explanation has been provided for this answer.

8,300.

Petrol consists mainly of

A.

polymers

B.

alkanoates

C.

hydrocarbons

D.

alktanols

E.

alkenes

Correct answer is C

No explanation has been provided for this answer.