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Question
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
Answer:
C
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Explanation:
Hydrofluorocarbons (HFCs) are commonly used in the making of aerosols, foam agents, and fire retardants. They are not typically used as lubricants.
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