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

Option 1 -

Zinc

Option 2 -

Gold

Option 3 -

Silver

Option 4 -

 Copper

0 1 View | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    2 months ago
    Correct Option - 4


    Detailed Solution:

    KCN is used as depressant for ZnS. While Au and Ag, cyanide process (leaching) is used.

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