Question
Question: When the sample of copper with zinc impurity is to be purified by electrolysis, the appropriate elec...
When the sample of copper with zinc impurity is to be purified by electrolysis, the appropriate electrodes are.
Cathode Anode
A
Pure zinc Pure copper
B
Impure sample Pure copper
C
Impure zinc Impure sample
D
Pure copper Impure sample
Answer
Pure copper Impure sample
Explanation
Solution
Impure metal made anode while pure metal made cathode.