Hydrofluorocarbons used in making — aerosols, foam agents, fire retardants, lubricants
Question
Consider the following: In the making of how many of the above are hydrofluorocarbons used?
- 1.
Aerosols
- 2.
Foam agents
- 3.
Fire retardants
- 4.
Lubricants
Options
Only one
Only two
Only three
All four
Explanation
Hydrofluorocarbons (HFCs) are highly potent greenhouse gases introduced as alternatives to ozone-depleting substances. They are heavily utilized across industrial applications, serving as propellants in aerosols, blowing agents for foams, active agents in fire retardants/extinguishers, and as specialized industrial lubricants/coolants.
Answer: (d).
Question details
Year
2023
Paper
GS Paper 1
Question
Q20
Subject
Science & Technology
Sub-topic
Materials & Nanotechnology
Type
How-many counting
Difficulty
Medium
Nature
Static
Source hint
Kigali Amendment to the Montreal Protocol 2016
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