QUESTION

Hard

Environment & Ecology

Prelims 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?

Select an option to attempt

Explanation

Out of the above substances, hydrofluorocarbons (HFCs) are used in the making of: 

  1. Aerosols HFCs were historically used as propellants in aerosol cans, but their use is being phased out due to environmental concerns.

  2. Foam agents Some types of fire-fighting foam agents use HFCs.

  3. Fire retardant HFCs can be a component in some fire retardant formulations.

  4. Lubricants typically do not contain HFCs. They use different chemical formulations to achieve lubricating properties.

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