Question:
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 a cold and humid climate.
(iii) It contains compounds of reducing nature.
(iv) It contains smoke, fog and sulphur dioxide.
Solution:
Option (i) Its main components are produced by the action of sunlight on
emissions of automobiles and factories is the answer.
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