Which of the following statements is not true about classical smog?
(i) Its main components are produced by the action of sunlight on emissions of automobiles and factories.
(ii) Produced in cold and humid climate.
(iii) It contains compounds of reducing nature.
(iv) It contains smoke, fog and sulphur dioxide.

Answers (1)

The answer is the option (i) Its main components are produced by the action of sunlight on emissions of automobiles and factories.

Explanation: Classical smog occurs in cold, humid climate due to the gases released by automobiles and factories. A mixture of smoke, fog and SO_{2} forms classical among.

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