Question

The main element of smog is

• A. $\ce{O_3}$ and PAN
• B. $\ce{O_3}$
• C. PAN
• D. PPN and PBN

Answer 1

Answer: (A)

$\ce{O_3}$ and PAN

Answer 2

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.