Depletion in the Ozone layer is caused by

Carbon dioxide

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Methane

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Carbon dioxide

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Chlorofluorocarbon

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Solution

The correct option is D
Chlorofluorocarbon

CFCs break up only through sunlight, which divides their molecules. As a result chlorine molecules are released. They react with ozone (O3), to form chlorine monoxide (ClO) and oxygen (O2). When the molecule of chlorine monoxide (ClO) meets another molecule of oxygen (O) it breaks up, releasing chlorine (Cl), which in turn destroys another molecule of ozone (O3). This process continues and the ozone layer is depleted gradually.

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Similar questions

Ozone layer depletion is caused due to ___.

(CFCs/methane/nitrogen oxides/sulphur dioxide)

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

An increase in the amount of carbon dioxide and methane in the atmosphere is likely to led to. Options are :-

Ozone depletion

Acid rain

Global warming

Formation of more glaciers

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