Chemistry · 2023
JEE Main · 8 April 2023, Shift 2 · Q65
In Hall - Heroult process, the following is used for reducing Al_2 O_3:-
In Hall - Heroult process, the following is used for reducing $\displaystyle \mathrm{Al}_2 \mathrm{O}_3$ :-
Official answer
From NTA’s final answer key for this paper.
(2)
Graphite
More from Metallurgy
- The major component of which of the following ore is sulphide based mineral?2023
- Which of the following metals can be extracted through alkali leaching technique?2023
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: In an Ellingham diagram, the…2023
- In the extraction of copper, its sulphide ore is heated in a reverberatory furnace after mixing with silica to:2023
- Given below are two statements: Statement I: During Electrolytic refining, the pure metal is made to act as anode and its impure metallic form is…2023
- Given below are two statements: Statement I: In the metallurgy process, sulphide ore is converted to oxide before reduction. Statement II: Oxide ores…2023
- Which one of the following reactions does not occur during extraction of copper?2023
- The methods NOT involved in concentration of ore are A. Liquation B. Leaching C. Electrolysis D. Hydraulic washing E. Froth floatation Choose the…2023
JEE Main 2023 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.