Which of the following chemicals cause ozone layer depletion?

Freons

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Nitric Oxide

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Carbon Monoxide

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Carbon Dioxide

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Solution

The correct options are
A
Freons

B
Nitric Oxide

Chlorofluorocarbons (Freons) release chlorine in the presence of sunlight, this chlorine reacts with ozone and breaks it down.
Nitric oxide reacts with ozone to form oxygen and nitrogen dioxide.

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Similar questions

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

Smog

Carbon monoxide

Nitrogen dioxide

Chlorofluorocarbons

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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