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The process of the extraction of gold in...

The process of the extraction of gold involves:

A

Parke's process

B

Cyanide process

C

both a and b

D

none of these

Text Solution

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The correct Answer is:
B
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Statement-1:In cyanide process for the extraction of gold and silver from their natives, ores, the cuanide solution acts as a reducing agent to reduce the gold and siver compound present in the ores into the metallic states. Statement-2:In the extraction of gold and silver, the cyanide solution acts as complexing ragent in the presence of air and form their respective soluble complexes.

The cyanide process of gold extraction involves leaching out gold from its ore with CN^(-) in the presence of Q in water to form R . Subsequently , R is treated with T to obtain Au and Z. Choose the correct option (s)