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Acid rain is caused by increase in the atmospheric concentration of (a) SO2 and NO2 (b) SO3 and CO (c) CO2 and CO (d)O3 and dust

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Acid rain is caused by increase in the atmospheric concentration of

(a) SO2 and NO2 (b) SO3 and CO (c) CO2 and CO (d)O3 and dust

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2 Answers

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by (78.7k points)
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Best answer

Correct option (a) SO2 and NO2

Explanation

Acid rain is caused by an increase in the atmospheric concentration of SO2 and NO2. These mix with water vapor to form sulphuric acid (H2SO4 ) and nitric acid (HNO3) respectively which falls on the earth in the form of acid rain.

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Option (a) is correct
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