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Byju's Answer
Standard IX
Chemistry
Ozone Layer Depletion
Which of the ...
Question

Which of the following chemicals cause ozone layer depletion?


A

Freons

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B

Nitric Oxide

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C

Carbon Monoxide

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D

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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