Question

difference between primary and secondary air pollutants give one example of each

Answer 1

the primary pollutants is an air pollutants emitted directly from a source.

the secondary pollutants is not directly emitted as such but forms when other pollutants react in the atmosphere. ...

Answer 2

Primary air pollutants are those pollutants are those pollutants which directly causes air pollution .It mainly contains the gases evolved from combustion.

ex :- Co , N2O ,NH4 etc.

Secondary air pollutants are those pollutants which cause the air pollution by changing their form through UV rays or other factors .

ex:- Acid rain , CFC etc