JEE Main · Chemistry · General Principles and Processes of Isolation of Elements
Liquation Refining Principle
JEE Main asked Liquation Refining Principle 3 times in 3 of the 108 shifts Lumi analysed, in 2021 and 2022. It belongs to Metallurgical Extraction, in General Principles and Processes of Isolation of Elements (Chemistry). The longest wait between two years asking it was 1 year. In 2022 it came in more than one shift of the same year.
Updated 2026-10-24
- Times asked
- 3
- in 3 shifts
- Years
- 2 of 8
- First asked
- 2021
- last in 2022
- Pattern
- Occasional
- across the analysed shifts
Questions on this idea a shift, by year
2017–2026. Asked in 2021 and 2022. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.
Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 1 in 24 shifts · 2022: 2 in 24 shifts · 2023: 0 in 12 shifts · 2024: 0 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.
Shift by shift
Each square is one analysed shift, in date order. Open a filled one for that paper.
How JEE Main framed it
Single correct is the usual form. Skill tested: recall.
- Definition recall
- Suitability of refining method
Difficulty
Every question was multiple choice.
Every question
All 3 questions
From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.
- 29 Jul 2022, Shift 2 · Q66In liquation process used for tin (Sn), the metalEasySingle correct
- 26 Jul 2022, Shift 1 · Q64Refining using liquation method is the most suitable for metals with :EasySingle correct
- 27 Aug 2021, Shift 1 · Q36Which refining process is generally used in the purification of low melting metals ?EasySingle correct
Shifts: 27 Aug 2021, Shift 1, 26 Jul 2022, Shift 1, 29 Jul 2022, Shift 2.
Same topic
Other ideas in Metallurgical Extraction
Metallurgical Extraction has 21 ideas JEE Main has asked; 10 of them came up in more than one question. The 12 most asked are below.
- Metal Refining Techniques6× · 2023
- Ellingham Diagram Basics6× · 2022
- MacArthur-Forrest Cyanide Process6× · 2022
- Hall-Heroult Process5× · 2023
- Bayer Process Chemistry4× · 2022
- Calcination vs. Roasting3× · 2023
- Ellingham Diagram Phase Transitions2× · 2023
- Ellingham Diagram Intersections2× · 2022
- Iron Extraction Chemistry2× · 2020
- Blister Copper Formationonce · 2023
- Reducing Agent Selectiononce · 2023
- Acidic vs Basic Flux Selectiononce · 2022