Multiple choice

Which among the following chemicals is responsible for the depletion of ozone layer in the atmosphere?

  1. Chlorofluorocarbons

  2. Carbon dioxide

  3. Sulphur dioxide

  4. Nitrous oxide

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

Chlorofluorocarbons (CFCs) are well-known ozone-depleting substances that release chlorine atoms when exposed to UV radiation, which then destroy ozone molecules.