JEE · NEET Previous Year Question
In isolation of which one of the following metals from their ores, the use of cyanide salt is not commonly involved ?
Topic: JEE PYQ
Answer: D. Full step-by-step solution below.
- AZinc
- BGold
- CSilver
- DCopper
Correct answer: D
Solution
(d)For ZnS, KCN is used as depressant.
For Gold and silver leaching [Cyanide process]
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