Photochemical smog formed in congested metropolitan cities mainly consists of

Options

(a) ozone, peroxyacetyl nitrate and NOₓ
(b) smoke, peroxyacetyl nitrate and SO₂
(c) hydrocarbons, SO₂ and CO₂
(d) hydrocarbons, ozone and SOₓ

Correct Answer:

ozone, peroxyacetyl nitrate and NOₓ

Explanation:

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