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Q.

Which of the following are mainly responsible for ozone depletion?

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a

Chlorofluorocarbons

b

Carbon dioxide

c

Carbon monoxide

d

Hydrocarbons

answer is B.

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Detailed Solution

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  • Chlorofluorocarbons (CFC) are mainly responsible for ozone layer depletion. 
  • It is a gaseous compound made up of carbon, fluorine and chlorine. 
  • It is produced by air conditioners, refrigerators, packaging and insulation. 
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