Question

Fossil fuel combustion results in release of many pollutants out of which two gases when released into the air combine with water vapour to form acid rain. Name these two gases.

A

Methane and carbon dioxide

B

Carbon monoxide and ozone

C

Nitrogen oxide and sulphur dioxide

D

Ozone and methane

Medium

Solution

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Correct option is
C

Nitrogen oxide and sulphur dioxide

Acid rain or acid deposition is a term that means any form of precipitation in the form of acid components. The main chemicals in air pollution that creates acid rain are sulfur dioxide and nitrogen oxide. Acid rains forms high in clouds where the sulfur dioxide and nitrogen oxides reacts with water, oxygen, and oxidants.

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