1538ForestryMedium
Photochemical smog formed in congested metropolitan cities mainly consists of:
AHydrocarbons, ozone and SO2
BHydrocarbons, SO2 and CO2
CSmoke, peroxyacetyl nitrate and SO2
DOzone, peroxyacetyl nitrate and No2
Correct answer
D. Ozone, peroxyacetyl nitrate and No2
Explanation
The correct answer is Ozone, peroxyacetyl nitrate and No2.