Which gas causes the depletion of the ozone layer in the upper atmosphere of the Earth?

Carbon dioxide

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Sulphur dioxide

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Chlorofluorocarbons

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Carbon monoxide

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Solution

The correct option is C
Chlorofluorocarbons

CFCs, also known as Chlorofluorocarbons cause the depletion of the ozone layer which protects humans from harmful UV rays coming from the Sun by absorbing them in the upper atmosphere. CFC gas is mostly used in refrigerators and fire extinguishers.

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Similar questions

Which of the is responsible for depletion of ozone layer? Options are :-

Smog

Carbon monoxide

Nitrogen dioxide

Chlorofluorocarbons

Select the correct answer :

(a) Excessive release of carbon dioxide in the atmosphere is the cause of

(i) Depletion of ozone

Sulphur dioxide	a	1	Damage ozone layer
Carbon dioxide	b	2	Reduces the oxygen- carrying capacity of the blood
Carbon monoxide	c	3	Acid rain
Chlorofluoro-carbons	d	4	Greenhouse gas

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