Non-metals and their compounds - Jamb Chemistry Past Questions and Answers

Question 1:

• JAMB 2019

Zinc Oxide is a

A. Basic Oxide
B. Acidic Oxide
C. Amphoteric Oxide
D. Neutral Oxide
E. Reactive Oxide

Question 2:

• JAMB 2019

The oxidation state of chlorine in potassium chlorate is

A. +1
B. +2
C. +3
D. +5
E. +7

Question 3:

• JAMB 2019

When each of the nitrates of Potassium, Magnesium and iron is heated

A. All the nitrates decompose to their oxides
B. The nitrate of magnesium gives the nitrite and oxygen
C. The nitrates of iron magnesium and iron give the oxides
D. The nitrate of iron gives the nitrite and oxygen
E. The nitrate of the magnesium is not decomposed

Question 4:

• JAMB 2019

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

Question 5:

• JAMB 1978

Zinc Oxide is a

A. Basic Oxide
B. Acidic Oxide
C. Amphoteric Oxide
D. Neutral Oxide
E. Reactive Oxide