11. Galvanised iron is made by coating iron with A.Zinc B.Nickel C.Chromium D.Sulphur
Answer: Option A Solution: Galvanisation or galvanization (or galvanizing as it is most commonly called) is the process of applying a protective zinc coating to iron or steel, to prevent rusting. The most common method is hot dip galvanizing, in which steel sections are submerged in a bath of molten zinc.