Galvanization is a method of protecting iron from rusting by coating with a thin layer of

To protect steel and iron from rusting, a thin layer of which one of the following metals is applied?

Galvanized iron pipes have a coating of :

Anodising is a process of forming a thick oxide layer of

Which metal is generally used for coating of brass utensils to prevent copper contamination?

Which one of the following is essential in corrosion of iron metal?