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UPSC Prelims 2023 Paper-1 📅 28 May, 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?

A
Only one
B
Only two
C
Only three
D
All four
Result Summary
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UPSC Prelims
2023 • 28 May, 2023 • Paper-1
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?
Correct Answer
Only three
Subject: Environment.Context: Chemical Pollutants (HFCs).Details: Hydrofluorocarbons (HFCs) are widely used industrially as replacements for ozone-depleting sub......
Ref/Book : UPSC Prelims 2023
Ref. Subject Environment
Chapter -
Ref. Topic Pollutants
Pg. No -
💡 Analysis & Explanation
Subject ▼
Environment.
Context ▼
Chemical Pollutants (HFCs).
Details ▼
Hydrofluorocarbons (HFCs) are widely used industrially as replacements for ozone-depleting substances. They are utilized extensively in manufacturing aerosols, foam blowing agents, and fire retardants. They are generally not used in standard lubricants. Therefore, three options are correct.
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