gs1easy

Acid rain is caused by the pollution of environment by

  1. A.carbon dioxide and nitrogen
  2. B.carbon monoxide and carbon dioxide
  3. C.ozone and carbon dioxide
  4. D.nitrous oxide and sulphur dioxide
▶ Answer & Explanation

Correct answer: D. nitrous oxide and sulphur dioxide

Acid rain is primarily a result of atmospheric pollution caused by the release of sulphur dioxide and nitrogen oxides. These gases react with water, oxygen, and other chemicals in the atmosphere to form sulphuric and nitric acids. These acids then mix with rainwater, snow, fog, or hail, falling to the Earth's surface as acid deposition.

Source: UPSC gs1 2013

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