Question

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

• A. Sulphur dioxide
• B. Nitrous oxide
• C. Chlorofluorocarbons
• D. Carbon dioxide

Answer 1

Answer: (C)

Chlorofluorocarbons

Chlorofluorocarbons (CFCs) are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine. They are used in the manufacture of aerosol sprays, blowing agents for foams and packing materials, as solvents, and as refrigerants.

CFCs have destructive effects on the ozone layer.