GyanGramQuestion
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?
PRELIMS 2023 · ENVIRONMENT
Consider the following: 1. Aerosols 2. Foam agents 3. Fire retardants 4. Lubricants In th…
Attempt this previous-year question. The correct option stays hidden until you choose.
Pick an option to check yourself.
• Correct Answer: C
• HFCs are used as propellants in aerosols, blowing agents in polyurethane foams, and fire suppressants replacing halons.
• HFCs are not used in the manufacture of lubricants, which are composed of oils and greases.
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