The Total solution for NCERT class 6-12
Theword smog is a combination of smoke and fog. It is a type of air pollution thatoccurs in many cities throughout the world. Classical smog occurs in cool humidclimate. It is also called as reducing smog.Whereas photochemical smog occursin warm and dry sunny climate. It has high concentration of oxidising agentsand therefore, it is also called as oxidising smog.