All Flashcards
1
Q
Which ions do anodes attract?
A
Anions
2
Q
Which ions do cathodes attract?
A
Cations
3
Q
What is the electrolyte in electrolysis
A
The substance that the electrolysis is done on
4
Q
Define the term reduction
A
When a substance gains electrons
5
Q
Define the term oxidation
A
When a substance loses electrons
6
Q
Which reaction happens at the anode?
A
Oxidation
7
Q
Which reaction happens at the cathode?
A
Reduction
8
Q
What is the overall reaction for the extraction of iron?
A
2Fe2O3 + 3C -> 3CO2 + 4Fe
9
Q
What happens when C reacts with O2
A
It increases the temperature to 2000C and forms CO2
10
Q
CO2 + C ->
A
2CO