Q3Multiple choice
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.
Show answer
(i) Its main components are produced by the action of sunlight on emissions of automobiles and factories.