UPSC Previous Year Question | Prelims GS | 2023

Consider the following: 1. Aerosols 2. Foam agents 3. Fire retardants 4. Lubricants. In the making of how many of the above are hydrofluorocarbons used?

  1. Only one
  2. Only two
  3. Only three
  4. All four

Answer

Correct Answer

Only three

Explanation

Hydrofluorocarbons (HFCs) are used as aerosol propellants, foam-blowing agents, and fire retardants/extinguishing agents, but not typically as lubricants.

Topics: climate change, environment, hfc applications, hydrofluorocarbons