JEE Main202117 Mar 2021Morning ShiftChemistryEnvironmental ChemistryActual
Reducing smog is a mixture of:
Options
- ASmoke, fog and O 3
- BSmoke, fog and SO 2
- CSmoke, fog and CH 2 = CH - CHO
- DSmoke, fog and N 2 O 3
Correct answer
B. Smoke, fog and SO 2
Step-by-step solution
Reducing or classical smog is the combination of smoke, fog and SO 2 .