Question

An element whose thin oxide layer is used tomake other element corrosion resistance by the process of anodising

Answer 1

Aluminium oxide that is oxide of Aluminium metal is used to make other elements corrosion free.

Answer 2

Aluminium.........as aluminium oxide (Al2O3) is a thin sticky oxide that makes the metal passive.Hense it is used to prevent corrosion.Even zinc can used to prevent corrosion.The process of using zinc is known as galvanisation.