Question

Component of smog is

• A. $O_3$
• B. PAN
• C. PPN and PBN
• D. Both A and B

Answer 1

The correct option is D Both A and B

Smog is a kind of air pollution. It is basically formed of smoke and fog hence called smog. Ozone and peroxyacetyl nitrate (PAN) are amongst the main components of smog. These are the secondary pollutants that precipitate in the sunlight. Nitrous oxide and volatile organic compounds are some other components. These substances are highly chemically reactive and harmful for human and other living organisms. Exposure can cause a respiratory problem, skin and eyes irritation.

Hence, the correct answer is 'Both A and B'