Electrolysis Of Aluminium Flashcards
1
Q
What is cryolite?
A
A compound that is added to reduce the melting point of molten aluminium oxide.
2
Q
What happens at the cathode in aluminium electrolysis?
A
Positive aluminium ions are attracted.
They pick up electrons and turn them into aluminium atoms.
3
Q
What happens at the anode in aluminium electrolysis?
A
The negative oxygens are attracted.
They will lose electrons and turn them into oxygen gas.