Chemistry, asked by palaniselviptnpv, 8 hours ago

The most harmful air pollutant produced by automobiles is
(1) HNO2
(2) NO
(3) SO2
(4) CO

Answers

Answered by kumarsudhir6619

2

Answer:

The right answer is not in it

Answered by gondsunita581

4

Explanation:

CO is the most harmful air pollutant produced by automobiles.

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