MPSC PYQScience
In lower atmosphere, smog is formed by the reaction between hydrocarbon and nitrogen oxide. This interaction produces _______ as secondary pollutants.
A.only ozone and aldehydes
B.only aldehydes and ketones
C.only aldehydes, ketones, peroxyacyl nitrate
D.ozone, aldehydes, ketones, peroxyacyl nitrate
Correct answer: D