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

Oxides of nitrogen and sulphur

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Hydrogen gas

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Chlorofluorocarbons

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Helium

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Solution

The correct option is C 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

(a) What is the molecular formula of ozone?

(b) How is ozone layer formed in the atmosphere?

(d) How does ozone layer protect living beings on earth?

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

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