State the name of components of photochemical smog and mention two solutions to control photochemical smog.

(N/A) The general components of photochemical smog include ozone $(O_3)$,nitric oxide $(NO)$,acrolein $(CH_2=CH-CHO)$,formaldehyde $(HCHO)$,and peroxyacetyl nitrate $(PAN)$.
Two solutions to control photochemical smog are:
$(i)$ Certain plants,such as $Pinus$,$Juniparus$,$Quercus$,$Pyrus$,and $Vitis$,can metabolize nitrogen oxides; therefore,their plantation can help in reducing smog.
$(ii)$ Catalytic converters should be used in automobiles to reduce the emission of nitrogen oxides and hydrocarbons.