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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceMatch the listMediumRecall

JEE Main 18 March 2021, Shift 2, Chemistry Q37

Question 37 of 90 in this shift, Chemistry question 7 of 30, Section A.

Match List - I with List - II : List - I List - II (a) Be (i) treatment of cancer (b) Mg (ii) extraction of metals (c) Ca (iii) incendiary bombs and signals (d) Ra (iv) windows of X-ray tubes (v) bearings for motor engines. Choose the most appropriate answer from the option given below :
  1. (1)(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)Official answer
  2. (2)(a)-(iii), (b)-(iv), (c)-(ii), (d)-(v)
  3. (3)(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
  4. (4)(a)-(iii), (b)-(iv), (c)-(v), (d)-(ii)

Official answer

Option 1

NTA final key.

Chapter
The s-Block Elements
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.