Question 16What is the difference between primary and secondary pollutants?

Question

Accepted Answer

S.no.Primary pollutantsSecondary pollutants1.They are directly released into the air.They are formed due to chemical interactions between the atmospheric components and primary pollutants.2.For example- smoke, dust, ash, sulphur oxide, nitrogen oxide etc.For example- smog, acid rain.3.It is comparatively less harmful.It is more harmful.

S. no.	Primary pollutants	Secondary pollutants
1.	They are directly released into the air.	They are formed due to chemical interactions between the atmospheric components and primary pollutants.
2.	For example- smoke, dust, ash, sulphur oxide, nitrogen oxide etc.	For example- smog, acid rain.
3.	It is comparatively less harmful.	It is more harmful.

Pollution — Types and Sources — Question 16

Question 16