Multiple choice

Which of the following pollutants reacts with water vapour present in the atmosphere to form nitric acid, which eventually falls to the Earth in the form of acid rain?

  1. Sulphur dioxide

  2. Carbon dioxide

  3. Nitrogen oxides

  4. SPM

  5. CFCs

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option. Nitrogen oxides react with water vapour present in the atmosphere to form nitric acid, which eventually falls to the earth in the form of acid rain.