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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 29 July 2022, Shift 2, Chemistry Q66

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

In liquation process used for tin (Sn), the metal
  1. (1)is reacted with acid.
  2. (2)is dissolved in water.
  3. (3)is brought to molten form which is made to flow on a slope.Official answer
  4. (4)is fused with NaOH

Official answer

Option 3

NTA final key.

Chapter
General Principles and Processes of Isolation of Elements
Topic
Metallurgical Extraction
Idea tested
Liquation Refining Principle

Same idea in other shifts

Asked 3× in all
  1. 26 Jul 2022, Shift 1 · Q64Refining using liquation method is the most suitable for metals with :EasySingle correct
  2. 27 Aug 2021, Shift 1 · Q36Which refining process is generally used in the purification of low melting metals ?EasySingle correct

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.