1.

(A): Photo chemical smog is Oxidising in nature (R): Photo chemical smog is formed due to the combustion of coal and petroleum products

Answer»

Both (A) and (R) are true and (R) is the CORRECT explanation of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
(A) is true but (R) is FALSE
(A) is false but (R) is true

Answer :C


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