Q

________ is used in refrigeration.

RRB NTPC (G) CBT-1, 19-Apr-16 S-1 2016
✓ Answer: A Chlorofluorocarbon
Chlorofluorocarbons (CFCs) are commonly used in refrigeration. While their use has been reduced due to environmental concerns, CFCs were historically popular as refrigerants in various cooling systems.
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