|
For goldplating on a copper chain, the substance required in the form of solution is |
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|
a) |
Copper sulphate |
b) |
Copper chloride |
|
c) |
Potassium cyanide |
d) |
Potassium aurocyanide |
|
For goldplating on a copper chain, the substance required in the form of solution is |
|||
|
a) |
Copper sulphate |
b) |
Copper chloride |
|
c) |
Potassium cyanide |
d) |
Potassium aurocyanide |