Extraction of gold and silver involves leaching the metal with `CN^(-)` ion. Sliver is later recovered by :
Extraction of gold and silver involves leaching the metal with `CN^(-)` ion. Sliver is later recovered by :
A. distillation
B. zone refining
C. displacement
D. liquation.
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Correct Answer - C
Silver is recovered by displacement with Zn. The process is known as leaching.
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