Question

why is layer of zinc coated over iron? name the process?​

Answer 1

Answer:

Galvanising is a method of rust prevention. The iron or steel object is coated in a thin layer of zinc. This stops oxygen and water reaching the metal underneath - but the zinc also acts as a sacrificial metal . Zinc is more reactive than iron, so it oxidises in preference to the iron object.

Answer 2

Answer:

Zinc is coated on iron to prevent iron from rusting and the process is called as Galvanization