Question

Compare primary and secondary pollutants. Which is more harmful?

Answer 1

Primary Pollutant:

1. They are pollutants which are passed into environment in the form they are produced.


2. They belong to various categories like particulate, aerosol, reduced, oxidized.

3. They are less toxic.

4. They do not show synergism.

5. Primary pollutants persist in the form they are released in the environment.

Secondary Pollutants
Some of the major differences between primary and secondary pollutants are as follows:

Primary Pollutant:

1. They are pollutants which are passed into environment in the form they are produced.

ldquo;Primary Pollutants” and “Secondary Pollutants” –
Image Courtesy : sciencescene.com/Environmental%20Science/Graphics/1503.jpg


2. They belong to various categories like particulate, aerosol, reduced, oxidized.

3. They are less toxic.

4. They do not show synergism.

5. Primary pollutants persist in the form they are released in the environment.

Secondary Pollutants:

1. The pollutants develop as a result of interaction of primary pollutants and environmental constituents.

2. They are generally oxidizing.

3. They are more toxic.

4. Secondary pollutants show synergism.





5. They are modified products