Question
Chemistry Question on Solutions
In the metallurgy of silver and that of gold, the respective metal is leached with a dil. solution of NaCN from which silver and gold is later recovered by
A
Vapour phase refining
B
Distillation
C
Replacement with Zn
D
Zone refining
Answer
Replacement with Zn
Explanation
Solution
The correct option is (C): Replacement with Zn