Which of the following air pollutant is carcinogenic?
Correct answer: D. 3.4 Benzpyrene
- A. Ethylene
- B. PAN
- C. N2O
- D. 3.4 Benzpyrene
Explanation
3,4-benzpyrene, more commonly called benzo[a]pyrene, is a carcinogenic polycyclic aromatic hydrocarbon found especially in smoke and incomplete combustion products. Ethylene, nitrous oxide and PAN are not the carcinogen identified here.
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