Question

Which of the following cause soot in the environment?

(a) Hydrocarbons

(b) Nitrogen oxide

(c) Sulphur oxide

(d) Particulates

I have been asked this question during an interview for a job.

Enquiry is from History, Types and Sources of Air pollution’s topic in division Environmental Pollution of Energy Management

Answer 1

Correct choice is (d) Particulates

For explanation I would say: Particulates are small pieces of solid material like dust particles and ash from industries which dispersed into the atmosphere. Repeated exposure to particulates causes them to accumulate in the lungs and cause severe problems.