1.

The cyanide process is used for obtaining [DPMT 1982; CPMT 1976, 84, 90; MNR 1995; MP PET/PMT 1998; AIEEE 2002]

A. \[Na\]
B. \[Ag\]
C. \[Cu\] 
D. \[Zn\]
Answer» C. \[Cu\] 


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