Jamb Chemistry 1995 Past Questions and Answers

Question 36:

• JAMB 1995

Aromatic and aliphatic hydrocarbons can be distinguished from each other by the?

A. Action of bromine
B. Use of polymerization reaction
C. Action of heat
D. Use of oxidation reaction

Question 37:

• JAMB 1995

The role of sodium chloride in the preparation of soap is to?

A. Purify the soap
B. Separate the soap from glycerol
C. Accelerate the decomposition of the fat or oil
D. React with glycerol

Question 38:

• JAMB 1995

C_xH_Y + 4O₂ → 3CO₂ + 2H₂O. The hydrocarbon, C_xH_Y, in the reaction above is?

A. Propane
B. Propene
C. Propyne
D. Propanone

Question 39:

• JAMB 1995

An example of a secondary amine is?

A. Propylene
B. Di-butylamine
C. Methylamine
D. Trimethylamine

Question 40:

• JAMB 1995

The relatively high boiling points of alkanols are due to?

A. Ionic bonding
B. Aromatic character
C. Covalent bonding
D. Hydrogen bonding