Question 86:

• JAMB 1978

Which of the following is not a member of the homologous series of the paraffins (alkanes)?

A. C₃H₈
B. C₅H₁₂
C. C₇H₁₆
D. C₁₅H₃₂
E. C₂₄H₄₈

Question 87:

• JAMB 1978

When ammonia and hydrogen ion bond together to form ammonium ion, the bond formed is called

A. Ionic bond
B. Electrovalent bond
C. Covalent bond
D. Co-ordinate bond
E. Hydrogen bond

Question 88:

• JAMB 1978

An example of an alcohol is

A. CCl₄
B. CH₃COOH
C. CHCl₃
D. C₂H₆
E. CH₃OH

Question 89:

• JAMB 1978

The nucleus of an atom contains

A. Protons only
B. Neurons only
C. Protons and electrons
D. Neutrons and electrons
E. Protons and neutrons

Question 90:

• JAMB 1978

Hypochlorous acid is used as a bleach because

A. It is a strong acid
B. It yields chlorine readily in pure water
C. It is an oxidising agent
D. It is a weak acid
E. It is a reducing agent