1.

CFCs, HCFCs and halons destroy the earth's protective ozone layer, which shiilds the earth from harmful ultraviolet rays generated from the sun. Why CFC are widely used in air conditioners ? (a) Because CFC are highly reactive (b) It is highly inflammable (c) It is non-reactive (d) All of these are true

Answer»

Correct Option (c) It is non-reactive 

Explanation :

CFC (chlorofluorocarbon) is non reactive and non-toxic hence used in air conditioner.



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