Q. Which of the following is/are ozone-depleting substances?

1, 2, 3

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1, 3, 4

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1, 2, 3, 4, 5

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1, 2, 3, 5

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Solution

The correct option is A 1, 2, 3
Explanation:

Following are the common ozone-depleting substances:

Chlorofluorocarbons (CFCs)

Halon

Carbon tetrachloride (CCl4)

methyl chloroform (CH3CCl3)

hydrobromofluorocarbons (HBFCs)

hydrochlorofluorocarbons (HCFCs)

methyl bromide (CH3Br)

bromochloromethane (CH2BrCl)

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Similar questions

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

Smog

Carbon monoxide

Nitrogen dioxide

Chlorofluorocarbons

Question 6
Depletion of ozone is mainly due to

(a) chlorofluorocarbon compounds
(b) carbon monoxide
(c) methane
(d) pesticides

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