Photochemical smog occurs in warm, dry and sunny climate. One of the following is not amongst the components of photochemical smog, identify it.

Photochemical smog occurs in warm, dry and sunny climate. One of the f

1.	Photochemical smog occurs in warm, dry and sunny climate. One of the following is not amongst the components of photochemical smog, identify it.
Answer» `NO_3` `O_3` `SO_2` Unsaturated hydrocarbon Solution :Photochemical smog is formed in the presence of sunlight. This occurs in the months of summer when `NO_2` and hydrocarbons are PRESENT in the ATMOSPHERE in large AMOUNT. Concentration of PAN, `O_3`, KETONES and aldehydes INCREASES up in the atmosphere. `SO_2` is not responsible for photochemical smog.