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Friday, 9 October

JEE Main 2023 · ChemistryMultiple choiceMatch the listMediumRecall

JEE Main 11 April 2023, Shift 1, Chemistry Q67

Question 67 of 90 in this shift, Chemistry question 7 of 30, Section A.

Match List-I with List-II: List-I | List-II A. K | I. Thermonuclear reactions B. KCl | II. Fertilizer C. KOH | III. Sodium potassium pump D. Li | IV. Absorbent of CO2\mathrm{CO_2} Choose the correct answer from the options given below :
  1. (1)A-IV, B-I, C-III, D-II
  2. (2)A-IV, B-III, C-I, D-II
  3. (3)A-III, B-IV, C-II, D-I
  4. (4)A-III, B-II, C-IV, D-IOfficial answer

Official answer

Option 4

NTA final key.

Chapter
The s-Block Elements
Topic
s-Block Elements
Idea tested
Biological Role of Na and K

Same idea in other shifts

Asked 2× in all
  1. 8 Apr 2023, Shift 2 · Q67Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R Assertion A : Sodium is about 30…MediumAssertion–reason

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 42 of the 174 JEE Main shifts held from 2017 to 2026.