Which one of the following is the main reason of acid rains ?

  1. A. Dissolution of sulphur and nitrogen oxides in rain
  2. B. Dissolution of minerals in rain
  3. C. Dissolution of dust particles in rain
  4. D. Dissolution of soil solution in rain

Correct Answer: A. Dissolution of sulphur and nitrogen oxides in rain

Explanation

Acid rain is primarily caused by the emission of sulfur dioxide (SO_2) and nitrogen oxides (NO_x), which react with atmospheric moisture to form sulfuric and nitric acids.

Related questions on Chemistry

Practice more CDS General Knowledge questions