JAMB Chemistry Past Questions & Answers - Page 85

421.

The curve depicts titration between a strong acid of pH

A.

Strong acid and strong base

B.

Strong acid and weak base

C.

Weak acid and weak base

D.

Weak acid and strong base

Correct answer is B

No explanation has been provided for this answer.

422.

The diagram represents

A.

A spontaneous reaction

B.

An exothermic reaction

C.

A non-spontaneous

D.

An endothermic reaction

Correct answer is B

No explanation has been provided for this answer.

423.

In the diagram above, X is the

A.

Enthalphy

B.

Activated complex

C.

Activation energy

D.

Enthalphy change

Correct answer is D

No explanation has been provided for this answer.

424.

The functional groups present in the compound above are

A.

Alkene and halo-group

B.

Hydroxyl and chloro-group

C.

Alkene and chloro-group

D.

Hydroxyl and halo-group

Correct answer is D

No explanation has been provided for this answer.

425.

n monosaccharide \( \underset{Q}{\stackrel{P}{\rightleftharpoons}} \) polysaccharide -n water.

In the process above, P and Q respectively represent

A.

Condensation and hydrolysis

B.

Fermentation and condensation

C.

Polymerization and hydrolysis

D.

Polymerization and condensation

Correct answer is A

No explanation has been provided for this answer.