Classical smog is

Assertion : Classical smog is oxidising smog whereas photochemical smog ie reducing smog. Reason : Classical smog occurs in warm, dry and sunny climate whereas photochemical smog occurs in cool humid climate .

Assertion : Classical smog is oxidising smog whereas photochemical smog ie reducing smog. Reason : Classical smog occurs in warm, dry and sunny climate whereas photochemical smog occurs in cool humid climate .

Assertion: Photochemical smog results from the action of sunlight on unsturated hydrocarbons and nitrogen oxides liberated by automobiles and factories. Reason: Classical smog is a mixture of smoke , fog and sulphur dioxide.

There are two types of smog : Classical smog & photochemical smog. Classical smog :

Classical smog occurs in places of :

Classical smog was first observed in

Classical smog was first observed in