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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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