Electrolysis Flashcards
0
Q
Metals form positive ions that move to:
A
Negative electrodes
1
Q
During electrolysis:
A
Gases may be given off or metals deposited at electrodes
2
Q
When copper is purified by electrolysis:
A
Positive electrode is impure copper
3
Q
During electrolysis ions lose electrons at:
A
The positive electrode and are oxidised
4
Q
When electroplating and metal spoon with silver:
A
The silver should be the positive electrode