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General Knowledge · Q697

Environmental Science

Competitive Exams · General Knowledge · question 697

Q697

All are primary pollutants except

A.
Ammonia
B.
Peroxyacetyl Nitrate (PAN)
Answer
C.
Sulfur dioxide
D.
Hydrogen sulfide

Answer: Option B

Solution

Answer: Option B
Solution:
All are primary pollutants except Peroxyacetyl Nitrate (PAN).
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