Which one of the following chemicals is respo | vedclass

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(B) Ozone protects us from the harmful $UV$ radiations from the sun. The major pollutants responsible for the depletion of the ozone layer are chlorof

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Chlorofluorocarbons

Vedclass · Answer

(B) Ozone protects us from the harmful $UV$ radiations from the sun. The major pollutants responsible for the depletion of the ozone layer are chlorofluorocarbons $(CFCs)$,nitrogen oxides,and hydrocarbons.$CFCs$ are widely used as coolants in air conditioners and refrigerators,cleaning solvents,aerosol propellants,and in foam insulation. The threat to $O_3$ is mainly from $CFCs$,which are known to deplete $O_3$ by $14\%$ at the current emission rate.

Which one of the following chemicals is responsible for the reduction of ozone content in the atmosphere?

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