A zinc diffusion process is called

A. Galvanizing

B. Anodizing

C. Parkerising

D. Sherardizing

Answer: Option D

Solution(By Examveda Team)

Sherardizing is the formation of a corrosion-resistant, zinc-iron alloy coating, on the surface of steel or iron.
The method involves the heating of the object in an airtight container that has zinc powder.
A thermal diffusion process occurs and the zinc diffuses into the object’s metal surface, forming the zinc-iron alloy.