Multiple choice

Where was freon used in prior to the ban on CFS's?

  1. To make foam

  2. in air conditioners

  3. in nuclear power stations

  4. in television screen
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Freon (CFCs) was widely used as a refrigerant in air conditioning systems for homes, cars, and commercial buildings before being phased out due to its ozone-depleting properties.

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