WBCS.LIVE practice question

Which chemical compound is commonly used as a refrigerant and is known to deplete the ozone layer?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Carbon Dioxide
  2. Nitrous Oxide
  3. Ammonia
  4. Chlorofluorocarbons (CFCs)

Correct answer and explanation

Correct answer: Chlorofluorocarbons (CFCs)

Explanation: āœ… Correct Answer: D) Chlorofluorocarbons (CFCs) šŸ“š Explanation: CFCs were widely used in air conditioners and aerosol sprays due to their stability and non-toxicity. However, when they reach the upper atmosphere, UV light breaks them down, releasing chlorine atoms that catalyze the destruction of ozone. The Montreal Protocol was established internationally to phase out these chemicals and allow the ozone layer to recover.