1.

Assertion: Photochemical smog is oxidising in nature. Reason: Photochemical smog contains NO_(2) and O_(2), whichare formed during the sequences of reastions.

Answer»

If both ASSERTION and REASON are TRUE and the reason is the CORRECT EXPLANATION of assertion
If both assertion and reason are true and the reason is not the correct explanation of assertion
If assertion is true but the reason is false
If assertion is false but reason is true

Answer :A


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