Correct statement about smog is

Chemistry Enviromental Chemistry ( Not In Syllabus ) JEE Main 2023 ( Practical Chemistry ) Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

NO 2 is present in classical smog

Both NO 2 and SO 2 are present in classical smog

Photochemical smog has high concentration of oxidizing agents

Classical smog also has high concentration of oxidizing agents

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The correct answer is:

Photochemical smog has high concentration of oxidising agents NO 2 is produced from NO and O 3 in the presence of sunlight Classical smog contain smoke, fog and SO 2 and it is known as reducing smog, as chemically it is reducing mixture

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