Question

Correct statement about photo-chemical smog is :

• A. It occurs in humid climate.
• B. It is a mixture of smoke, fog and $S{O}_2$
• C. It is reducing smog.
• D. It results from reaction of unsaturated hydrocarbons.

Answer 1

Answer: (D)

Photo chemical smog results from the action of sunlight on unsaturated hydro carbons and nitrogen oxide