Jamb Chemistry 1989 Past Questions and Answers

Question 36:

• JAMB 1989

Vulcanization of rubber is a process by which

A. Isoprene units are joined to produce rubber
B. Rubber latex is coagulated
C. Sulphur is chemically combined in the rubber
D. Water is removed from the rubber

Question 37:

• JAMB 1989

The reaction between ethanoic acid and sodium hydroxide is an example of

A. Esterification
B. Neutralization
C. Hydroxylation
D. Hydrolysis

Question 38:

• JAMB 1989

The bond which joins two ethanoic acid molecules in the liquid state is

A. A covalent bond
B. An ionic bond
C. A dative covalent bond
D. A hydrogen bond

Question 39:

• JAMB 1989

The alkaline hydrolysis of fats and oils produces soap and

A. Propane 1, 1, 3 - triol
B. Propane - 1,2,3 - triol
C. Propane - 1,3,3 - triol
D. Propane - 1, 2, 2 - triol

Question 40:

• JAMB 1989

The gas responsible for most of the fatal explosions in coal mines is

A. Butane
B. Ethene
C. Ethane
D. Methane