Which of the following statement(s) is/are correct?(i) Classical smog – McqOptions

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1.	Which of the following statement(s) is/are correct?(i) Classical smog is a mixture of smoke fog and sulphur dioxide.(ii) Classical smog is also called oxidising smog (iii) Hydrocarbons \[N{{O}_{2}}\] and PAN are components of photochemical smog.
A.	(i) and (iii)
B.	(i) and (ii)
C.	(iii) only
D.	(i), (ii) and (iii)
Answer» B. (i) and (ii)

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