Question:

Which of the following is a secondary pollutant ?

Updated On: Jul 12, 2022
  • $O_3$
  • $CO$
  • $SO_2$
  • $CO_2$
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The Correct Option is A

Solution and Explanation

$O _{3}$ (ozone) is a secondary pollutant. These are formed by the reaction of primary pollutant. $CO$ - Quantitative pollutant $CO _{2}$ - Primary pollutant $SO _{2}-$ Primary pollutant
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