Galvanised iron is made by coating iron with
(1) Zinc
(2) Nickel
(3) Chromium
(4) Sulphur
Answer: (1) Galvanization) is the process of applying a protective zinc coating to steel or iron in order to prevent rusting. Although galvanization can be done with electrochemical and electro-deposition processes, the most common method in current use is hot-dip galvanization, in which steel parts are submerged in a bath of molten zinc.
