A primary air pollutants is

Give an account of primary air pollutants.

Choose the odd w.r.t primary air pollutants.

Choose the odd w.r.t primary air pollutants.

Answer any two questions, each within 200 words. Give an account of primary air pollutants.

What is pollution? Differentiate between primary air pollutants and secondary air pollutants.

Given below are some differences between primary air pollutants and secondary air pollutants. Which one of the following is an incorrect difference ?

Given below are some differences between primary air pollutants and secondary air pollutants. Which one of the following is an incorrect difference ?