In the isolation of which one of the followin | vedclass

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(D) The cyanide process (leaching) is primarily used for the extraction of $Gold$ $(Au)$ and $Silver$ $(Ag)$ from their ores.In the froth flotation pr

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Copper

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(D) The cyanide process (leaching) is primarily used for the extraction of $Gold$ $(Au)$ and $Silver$ $(Ag)$ from their ores.In the froth flotation process for $Zinc$ sulfide $(ZnS)$,$NaCN$ or $KCN$ is used as a depressant to prevent $ZnS$ from forming froth.However,$Copper$ $(Cu)$ extraction from its ores (like $CuFeS_2$) typically involves roasting and smelting,not a cyanide-based leaching process.

In the isolation of which one of the following metals from their ores,is the use of cyanide salt not commonly involved?

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