1000+ Chemistry Questions for SSC CGL Tier 1, Tier 2 Exam Pdf - 2

Question: 6

Which of the following is a man made source of air pollution?

(A) bacterial action in soil and swamp areas

(B) forest fire

(C) automobile exhaust

(D) all of the above

Question: 7

The water pollution in river is measured by the dissolved amount of

(A) oxygen

(B) nitrogen

(C) ozone

(D) chlorine

Question: 8

Which of the following metals is not a pollutant?

(A) aluminium

(B) arsenic

(C) mercury

(D) lead

Question: 9

Acid rain is caused due to emission of which of the following into the atmosphere?

(A) carbon monoxide and nitrogen

(B) ozone and carbon dioxide

(C) carbon dioxide and carbon monoxide

(D) oxides of nitrogen and sulphur

Question: 10

High concentration hydrocarbon pollutants in atmospheric air causes

(A) reduced crop yield

(B) respiratory diseases

(C) silicosis

(D) cancer