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The chemical reagent used for leaching o...

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

A

Soidum hydroxide

B

Potassium cyanide

C

Potassium cyanide

D

Sodium thiosulphate.

Text Solution

Verified by Experts

The correct Answer is:
B
`Ag_(2)S `+ 4KCN `rarr` `2K[Ag(CN)_2]` + `K_(2)S` .
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