Question

What is smog?

(a) Mixture of smoke and particulates

(b) Mixture of smoke and oxygen

(c) Mixture of smoke and fog

(d) Mixture of soot and fog

I have been asked this question by my college professor while I was bunking the class.

My enquiry is from History, Types and Sources of Air pollution’s topic in portion Environmental Pollution of Energy Management

Answer 1

The correct choice is (c) Mixture of smoke and fog

Best explanation: Aerosol is a general term for particles suspended in air. Those aerosols when came into contact with water droplets they constitute fog. So smog is a term used to describe a mixture of smoke and fog.