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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceMatch the listEasyRecall

JEE Main 3 August 2021, Shift 1, Chemistry Q40

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

Match List I with List II : List I : A. ‘Blue baby’ syndrome ; B. Eutrophication ; C. Minimata disease ; D. Itai-Itai disease List II : I. Mercury ; II. Cadmium ; III. Nitrate ; IV. Phosphate Choose the correct answer from the options given below :
  1. (1)A–III, B–IV, C–II, D–I
  2. (2)A–III, B–IV, C–I, D–IIOfficial answer
  3. (3)A–IV, B–III, C–II, D–I
  4. (4)A–IV, B–II, C–I, D–III

Official answer

Option 2

NTA final key.

Chapter
Environmental Chemistry
Topic
Environmental Chemistry
Idea tested
Nitrate Limit and Blue Baby Syndrome

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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.