Electrolysis Flashcards
1
Q
what charge is an anode
A
the anode has a negative charge
2
Q
what charge does a cathode have
A
the cathode has a negative charge
3
Q
what metal does bauxite ore contain
A
Aluminium
4
Q
what is the electrode
A
The negatively charged electrode in electrolysis is called the cathode close cathode. The negative electrode during electrolysis
5
Q
what is a cation
A
a positively charged ion
6
Q
what is an anion
A
a negatively charged ion
7
Q
what is an electrolyte
A
The electrolyte is a chemical substance which contains free ions and carries electric current
8
Q
what is cryolite used for
A
it is mixed with the bauxite to lower the melting point
9
Q
where does reduction happen
A
at the cathode
10
Q
where does oxidation happen
A
at the anode