JEE Main 2004ChemistryEnvironmental ChemistryAir PollutioneasyMCQ

JEE Main 2004Environmental Chemistry Question with Solution

From: AIEEE 2004

Question

The smog is essentially caused by the presence of :

Choose an option

Show full solutionCorrect option: C
Correct answer
COxides of sulphur and nitrogen

Step-by-step explanation

Photochemical smog is caused by oxides of sulphur and nitrogen.

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Environmental Chemistry chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2004, covering the Environmental Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.