Q. Photochemical smog formed in congested metropolitan cities mainly consist of
A) Ozone, peroxyacetyl nitrate and $NO_{x}$
B) Smoke, peroxyacetyl nitrate and $SO_{2}$
C) Hydrocarbon,$\ SO_{2}$and $CO_{2}$
D) Hydrocarbon , ozone and $SO_{2}$
Explanation
Photochemical smog or oxidizing type of pollution is characterized by the presence of large concentration of ozone, oxides of nitrogen and various hydrocarbons. It occurs in Los Angeles.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.