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The chemical reagent used for leaching o...

The chemical reagent used for leaching of gold and silver ores is

A

Sodium hydroxide

B

Potassium cyanide

C

Potassium cyanate

D

Sodium thiosulphate

Text Solution

Verified by Experts

The correct Answer is:
B
Au and Ag ores are purified by leaching with NaCN (OR) KCN
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