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Question

Assertion :Ozone layer in the upper region of atmosphere protects earth from UV radiations of sun. Reason: Ozone is a powerful oxidising agent as compared to oxygen.


A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Ozone is a powerful oxidizing agent compared to oxygen as it is unstable.
Ozone layer prevent UV radiations from reaching the earth, hence ozone layer acts as a reactive blanket to earth.

Chemistry

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