JEE Main - Previous Year Papers JEE MAIN 2020 PAPER-11 Single Correct MCQ
Published on: August 12, 2026

Among the statements

A
- Lime stone is decomposed to during the extraction of iron from its oxides. , ,
B
In the extraction of silver, silver is extracted as an anionic complex. , ,
C
Nickel is purified by Mond's process. and and and and
D
, the correct ones are: and are purified by Van Arkel method.
only only

only

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The correct answer is:
C

Lime stone finally goes to slag formation

slag

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