JEE Main Chemistry · General Principles and Processes of Isolation of Elements
Hall-Heroult Process
Hall-Heroult Process (General Principles and Processes of Isolation of Elements) was asked 3 times in 3 JEE Main shifts, 2021–2023, out of the 42 shifts Lumi analysed.
- Times asked
- 3
- in 3 shifts
- Years
- 2021–2023
- Usual format
- Single correct
- Recall
- Pattern
- Occasional
- repeats across shifts
How it is asked
- Identify additive in extraction process
- Assertion-reason on metallurgy
Difficulty
Easy 3Medium 0Hard 0
Where it sits
Chapter: General Principles and Processes of Isolation of Elements. Topic: Metallurgical Extraction, 11 questions over 8 ideas.
Other repeat ideas in this topic
Every time it came
All 3 questions
Newest first, each with its options and official answer.
- 8 Apr 2023, Shift 2 · Q65In Hall - Heroult process, the following is used for reducing :-EasySingle correct
- 3 Aug 2021, Shift 2 · Q34Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A : Fluoride based compound…EasyAssertion–reason
- 18 Mar 2021, Shift 1 · Q35The chemical that is added to reduce the melting point of the reaction mixture during the extraction of aluminium is :EasySingle correct