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Chemistry
Silver is precipitated from an aqueous solution of sodium argentocyanide by adding
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Q. Silver is precipitated from an aqueous solution of sodium argentocyanide by adding
General Principles and Processes of Isolation of Elements
A
zinc dust
100%
B
copper powder
0%
C
sodium amalgam
0%
D
sodium thiosulphate
0%
Solution:
$2 Na \left[ Ag ( CN )_{2}\right]+ Zn \rightarrow 2 Ag + Na _{2}\left[ Zn ( CN )_{4}\right]$