Environmental Pollution - Jamb Chemistry Past Questions and Answers

Question 16:

• JAMB 2003

Farmlands affected by crude-oil spillage can be decontaminated by

A. Adding acidic solution
B. Using aerobic bacteria
C. Pouring water on the affected water area
D. Burning off the oil from the area

Question 17:

• JAMB 2004

Pollution of underground water by metal ions is very likely in the soil that has high

A. Acidity
B. Alkalinity
C. Chloride content
D. Nitrate content

Question 18:

• JAMB 2006

Which of the following typically represents a photochemical reaction?

A. Formation of water from hydrogen and oxygen molecules
B. Conversion of dinitrogen (IV) oxide to nitrogen (IV) oxide
C. Decomposition of calcium hydroxide to its oxide
D. Conversion of silver halides to grey metallic silver

Question 19:

• JAMB 2011

An effect of thermal pollution on water bodies is that the

A. Volume of water reduces
B. Volume of chemical waste increase
C. Level of oxides of nitrogen increase
D. Level of oxygen reduces

Question 20:

• JAMB 2012

Which of the following pollutants is associated with brain damage?

A. Carbon (ll) oxide
B. Radioactive fallout
C. Biodegradable waste
D. Sulphus (lV) oxide