Question

Chapman’s Cycle refers to the process of regeneration of ozone in the stratosphere. However, the rampant use of certain substances has interfered with the process of ozone formation. Name any two of these substances.

Answer 1

1. Chlorofluorocarbons (CFCs): Used in refrigeration, air conditioning, and aerosol sprays.
2. Halons: Used primarily as fire extinguishing agents.
3. Carbon tetrachloride: Used in industrial solvents and manufacturing.
4. Methyl chloroform: Used as an industrial cleaning solvent.