Question

describe the process of preparation of aluminium by the electrolysis of alumina​

Answer 1

Answer:

) it is extracted by electrolysis. The ore is first converted into pure aluminium oxide by the Bayer Process, and this is then electrolysed in solution in molten cryolite - another aluminium compound. The alumina is dissolved in a mixture of molten cryolite and fluorspar which lowers the melting point