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JEE Main 202117 MarchMorning Shift

Exam: JEE Main
Year: 2021
Date: 17 March
Shift: Morning Shift
Subject: Chemistry
Chapter: Environmental Chemistry

JEE Main 2021 · 17 March · Morning Shift · Chemistry · Environmental Chemistry

Reducing smog is a mixture of:

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} .

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