Electrolysis and Aluminium ore

What is electrolysis?

Decomposition of compound via electricity - on ionic compound (+ metal and - non metal)

What does it mean if Molten Aluminium oxide is used?

Ions move

What brings down the melting point and saves electricity within electrolysis?

Cryolite

Where does the aluminium go to during electrolysis?

Cathode - negative

Where does oxygen go in electrolysis?

Anode - positive

What happens when the oxygen reacts with the anode?

Carbon Dioxide is made - this wears the electrode