Learn

Saturday, 31 October

JEE Main 2023 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 10 April 2023, Shift 1, Chemistry Q66

Question 66 of 90 in this shift, Chemistry question 6 of 30, Section A.

Lime reacts exothermally with water to give ‘A’ which has low solubility in water. Aqueous solution of ‘A’ is often used for the test of CO2\mathrm{CO_2}, a test in which insoluble B is formed. If B is further reacted with CO2\mathrm{CO_2} then soluble compound is formed. ‘A’ is
  1. (1)Quick lime
  2. (2)Lime water
  3. (3)Slaked limeOfficial answer
  4. (4)White lime

Official answer

Option 3

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.