Environmental Pollution - Jamb Chemistry Past Questions and Answers

Question 21:

• JAMB 2014

The major and most effective way of controlling pollution is to

A. Improve machinery so that the substances released from combustion are less harmful
B. Pass strict laws against it by individuals and companies
C. Educate people on the causes and effects of pollution
D. Convert chemical wastes to harmless substances before releasing them into the environment

Question 22:

• JAMB 2016

The pollutant that contributes to the depletion of the ozone layer is

A. CFCs
B. NO₂
C. SO₂
D. CO

Question 23:

• JAMB 2019

Which of the following pollutants will lead to the depletion of ozone layer?

A. Chlorofluorocarbon
B. Carbon (ii) oxide
C. Hydrogen sulphide
D. Sulphur (iv) oxide

Question 24:

• JAMB 2021

In troposphere, the two types of pollutants are?

A. Gaseous and particulate pollutants
B. Carbon and metallic pollutants
C. Natural and man-made pollutants
D. Sulphuric and nitrogenous pollutants

Question 25:

• JAMB 2021

The gas which causes global warming is?

A. O\(_{2}\)
B. CO\(_{2}\)
C. N\(_{2}\)
D. He