Assertion -A- The oxides of nitrogen and nbsp-sulphur combine with rainwater nbsp-and come down as acid rain-Reason -R- Acid rains cause depletion of nbsp-ozone layer-Both A and R are true and R is the correct explanation of ABoth A and R are true but R is not correct explanation of AA is true and R is falseA is false and R is true

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Byju's Answer

Standard VIII

Geography

Acid Rain

Assertion (A)...

Question

Assertion (A): The oxides of nitrogen and sulphur combine with rainwater and come down as acid rain.
Reason (R): Acid rains cause depletion of ozone layer.

Both A and R are true and R is the correct explanation of A

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Both A and R are true but R is not correct explanation of A

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A is true and R is false

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A is false and R is true

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Solution

The correct option is C A is true and R is false
Below are few properties of acid rain:
1) Acid rains are obtained due to oxides of nitrogen & sulphur.
2) Nitric acid and sulphuric acid in the atmosphere dissolve in rain water and come down to earth as acid rain.
3) It may have a pH less than 5.6
4) There is no relation of acid rain with ozone layer.

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Assertion (A): The oxides of nitrogen and sulphur combine with rainwater and come down as acid rain.Reason (R): Acid rains cause depletion of ozone layer.

Assertion (A): The oxides of nitrogen and sulphur combine with rainwater and come down as acid rain.
Reason (R): Acid rains cause depletion of ozone layer.