Question

Secondary pollutants are those which are formed in the atmosphere by chemical interactions with primary pollutants such as oxidation etc. ___, ___, and ____ are secondary pollutants.

• A. $SO_{3},NO_{2},O_{3}$
• B. $CO_{2},SO_{2},NO_{2}$
• C. $O_{2},H_{2}O,CO$
• D. $SO_{2},CO,H_{2}S$

Answer 1

Answer: (A)

$SO_{3},NO_{2},O_{3}$

Answer 2

: $SO_{3},NO_{2},O_{3}$organic redicals, atomic

oxygen, etc. are secondary pollutants.