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Cyanide or Macarthur Forrest Process

Cyanide proce...

Question

Cyanide process is used for the extraction of:

A

Au

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B

Ag

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C

Al

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D

Both Au and Ag

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Solution

The correct option is D Both Au and Ag
The cyanide process is used for the extraction of Au and Ag from their ores by dissolving them in a dilute solution of $K C N$ or $N a C N$ . This process is also called MacArthur-Forrest process.

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