Chemistry · 2022
JEE Main · 29 June 2022, Shift 1 · Q67
In isolation of which one of the following metals from their ores, the use of cyanide salt is not commonly involved?
In isolation of which one of the following metals from their ores, the use of cyanide salt is not commonly involved ?
Official answer
(4)
Copper
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.