Question

Identify and write the process shown in the following diagram and explain it in short.​

Answer 1

Explanation:

The process shown in the diagram is Anodization. 

In this method metals like copper, aluminium are coated with a thin and strong layer of their oxides by means of electrolysis. For this the copper or aluminium article is used as anode. As this oxide layer is strong and uniform all over the surface, it is useful for prevention of the corrosion of the metal.