____ damage(s) the ozone layer of the atmosphere.

Helium

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Oxides of nitrogen and sulphur

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Hydrogen gas

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Chlorofluorocarbons

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Solution

The correct option is D Chlorofluorocarbons
Chlorofluorocarbons (CFCs) which are used in refrigerators, air conditioners and aerosol sprays are considered as pollutants. When CFCs escape into the atmosphere, they convert ozone $(O_{3})$ to oxygen molecules $(O_{2})$ and thus reduce the thickness of the ozone layer, which protects the Earth from the UV rays of the Sun.

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Similar questions

Assertion [A]: UV radiation damages to the ozone layer.
Reason [R]: The ozone hole has been the major cause of global warming and climate change.

Which layer of atmosphere contains the ozone layer?

Name the group of chemical compounds which damages the ozone layer.

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