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MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryEnvironmental ChemistryPrevious Year Questions

Use of chlorofluorocarbon is not encouraged because (KCET 2005)

A.they are harmful to the eyes of people
B.they damage the refrigerators and air conditioners
C.they eat away the ozone in the atmosphere✓ Correct
D.they destroy the oxygen layer
Explanation

Chlorofluorocarbon is used in air conditioners and in domestic refrigerators for cooling purposes. Its main drawback is that, it is responsible for ozone depletion. Basically, it eats away the ozone layer in atmosphere by generating free chlorine radicals which reacts with ozone and cause its depletion.

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