JEE Main 2021 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 31 August 2021, Shift 2, Chemistry Q40

Question 40 of 90 in this shift, Chemistry question 10 of 30, Section A.

The deposition of X and Y on ground surfaces is referred as wet and dry depositions, respectively. X and Y are :

(1)X=Ammonium salts , Y= $\mathrm{SO_2}$ Official answer
(2)X= $\mathrm{CO_2}$ , Y= $\mathrm{SO_2}$
(3)X= $\mathrm{SO_2}$ , Y=Ammonium salts
(4)X=Ammonium salts , Y= $\mathrm{CO_2}$

Official answer

Option 1

NTA final key.

Chapter: Environmental Chemistry
Topic: Environmental Chemistry
Idea tested: Acid Rain Mechanism

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Asked 6× in all

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.