How many of given statements are correct? (I) Primary pollutant are those which are emitted directly from the source. (II) Secondary pollutant are those which are formed in the atmosphere by chemical interactions among primary pollutant and atmospheric constituents. (III) Acid rain is a primary pollutant. (IV) Particulates refer to all atmospheric substances that are not gases.

Question

How many of given statements are correct? (I) Primary pollutant are those which are emitted directly from the source. (II) Secondary pollutant are those which are formed in the atmosphere by chemical interactions among primary pollutant and atmospheric constituents. (III) Acid rain is a primary pollutant. (IV) Particulates refer to all atmospheric substances that are not gases. (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

Acid rain is a secondary pollutant.