JAMB Past Questions and Answers - Page 1728

8,636.

The Nigeria colonial economy majorly depended on the exportation of ______

A.

Crude oil, cocoa and rubber

B.

Palm kernel, groundnut and cocoa

C.

Cocoa, palm produce and groundnut

D.

Crude oil, garri and cocoa

Correct answer is C

Cocoa, palm produce and groundnut brought about 70% of total exportation in the Nigeria colonial economy.

8,637.

The Mahdiyya movement in Sudan was a fundamental reaction against

A.

Economic boom

B.

Political instability

C.

Internal oppression and domination

D.

Economic difficulties

Correct answer is D

Khedwe Ismail of Egypt had attempted to suppress slave trade which would have devastating effect on Sudan's economy.

8,638.

The simplest branched-chain hydrocarbon is

A.

ethane

B.

ethene

C.

propane

D.

butane

Correct answer is D

The smallest branched alkane is isobutane. Notice that isobutane has the same molecular formula, C4H10, as n-butane but has a different structural formula.

8,639.

The molecular formula of a common organic laboratory anaesthetic is

A.

CHCl3

B.

CHI3

C.

CCl4

D.

CHF3

Correct answer is A

No explanation has been provided for this answer.

8,640.

Which of the following hydrocarbons is mainly used as fuel?

A.

Methylene

B.

Ethylene

C.

Methane

D.

Ethyne

Correct answer is C

No explanation has been provided for this answer.