Question

Reducing smog is a mixture of:

• A. Smoke, fog and $O_3$
• B. Smoke, fog and $S{O}_2$
• C. Smoke, fog and $C{H}_2=CH-CHO$
• D. Smoke, fog and $N_2{O}_3$

Answer 1

Answer: (B)

Reducing or classical smog is the combination of smoke, fog and $S{O}_2$.