WBCS.LIVE practice question

Which among the following is present in refrigerator?

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

Answer options

  1. Carbon dioxide
  2. Methane
  3. Helium
  4. Chlorofluorocarbon

Correct answer and explanation

Correct answer: Chlorofluorocarbon

Explanation: āœ… Correct Answer: D. Chlorofluorocarbon šŸ“š Explanation: Chlorofluorocarbons (CFCs), often known by the brand name Freon, have traditionally been used as refrigerants and coolants in refrigerators and air conditioners. They are chosen for their stability and efficiency in heat exchange. However, CFCs are major contributors to the depletion of the ozone layer in the atmosphere. Due to environmental concerns, they are now being phased out and replaced by more eco-friendly alternatives.