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Which of the following is a secondary pollutant

This question belongs to General Knowledge Chemistry
Chemistry
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Which of the following is a secondary pollutant ?

Answer & Solution
Correct Answer: Option B
CO (Carbon monoxide) is a secondary pollutant.
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2 Comments
Rakesh Roushan
Rakesh Roushan 4 years ago
Pan is correct answer
Shrishail Byakod
Shrishail Byakod 4 years ago
Sir PAN is the secondary pollutant
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