JEE Main 2020 — Environmental Chemistry Question with Solution
From: JEE Main 2020 (Online) 8th January Morning Slot
Question
Among the gases (a) – (e), the gases that cause greenhouse effect are :
(a) CO2
(b) H2O
(c) CFCs
(d) O2
(e) O3
(a) CO2
(b) H2O
(c) CFCs
(d) O2
(e) O3
Choose an option
Show full solutionCorrect option: C
Correct answer
C(a), (b), (c) and (e)
Step-by-step explanation
CO2, O3, H2O, CFCs are green house gases.
Here only O2 is not greenhouse gas.
Here only O2 is not greenhouse gas.
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This is a previous-year question from JEE Main 2020, 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.