JAMB Past Questions and Answers - Page 1496

7,476.

The diagram above shows the reaction path of an exothermic reaction. The heat of reaction is represented by

A.

l

B.

ll

C.

lll

D.

lV

Correct answer is D

No explanation has been provided for this answer.

7,478.

Which of the gas laws does the above graph illustrate?

A.

Boyle

B.

Charles

C.

Graham

D.

Gay-Lussac

Correct answer is B

No explanation has been provided for this answer.

7,479.

In the experiment above, ammonium chloride crystals deposit on the walls of the tube is as a result of

A.

evaporation

B.

recrystallization

C.

sublimation

D.

fractional precipitation

Correct answer is C

No explanation has been provided for this answer.

7,480.

Use the option above to answer this question. The structure of benzoic acid is

A.

A

B.

B

C.

C

D.

D

Correct answer is D

No explanation has been provided for this answer.