7. Photochemical smog is a resultant of the reaction among
NO2, O3 and peroxyacetyl nitrate in the presence of sunlight
CO, O2 and peroxyacetyl nitrate in the presence of sunlight
CO, CO2 and NO2 at low temperature
high concentration of NO2, O3 and CO in the evening
Correct Answer :
NO2, O3 and peroxyacetyl nitrate in the presence of sunlight