JAMB Chemistry Past Questions & Answers - Page 293

1,461.

There is a large temperature interval between the melting point and the boiling point of a metal because?

A.

metals have very high melting points

B.

metals conduct heat very repaidly

C.

melting does not break the metalic bond but boiling does

D.

the crystal lattice of metals is easily broken

Correct answer is A

No explanation has been provided for this answer.

1,462.

Which of the following are the products of the reaction between CH3COOH and CI2 in sunlight?

A.

CICH2COOH + HCI

B.

CH3COCI + HOCI

C.

CH3COOCI + HCI

D.

CH3COCI + HO2

Correct answer is A

No explanation has been provided for this answer.

1,463.

Which of the following statements is TRUE of the complete hydrolysis of a glycerine by sodium hygroxide?

A.

3 moles ofNaOH are required for each mole of glyceride

B.

3 moles of glycerol are produced

C.

Only one mole of soap is formed

D.

concentrated H2SO4 is essential for the completion of the reaction

Correct answer is A

No explanation has been provided for this answer.

1,464.

Is known as?

A.

1-chloro-2-methylbutane

B.

1-chloro-2-methylpropane

C.

2-chloromethylpropane

D.

1-chloro-2, 2-dimethylethane

Correct answer is B

No explanation has been provided for this answer.

1,465.

A certain liquid has a high boiling point. It is viscous, non-toxic, miscible with water being very hygroscopic. This liquid is most likely to be?

A.

CH3CH2CH2HO

B.

CH3CHOHCH3

C.

CH3CH2CHOHCH3

D.

CH2OHCHOHCH2OH

Correct answer is D

No explanation has been provided for this answer.