Question

define the terom anodising

Answer 1

Anodising is defined as the process of forming a thick oxide almunium layer.
During Anodising an aluminium article is made anode and is electrolysed with usually sulphuric acid.

Answer 2

Explanation:

protective and prevent the metal from for the oxidation this layer can be made more thick by anodizing the process clean aluminium article is taken as anode and H2 s o4 as an electrolyte when electric current is passed O2 gas get liberated which react with metal aluminium to form a thick layer of oxide on its surface