Question

In an Anodising process,we take aluminium in water then why it is not get corrode?(you all know that water and oxygen needed for corrosion,but afterthat corrosion not occoured.why?)

Answer 1

Because aluminium makes up a layer of aluminium oxide which is very thick and protects the aluminium from corrosion

Answer 2

aluminium does not corrode because it has a thick oxide layer which makes it further resistant to corrosion.