49. The metal chiefly used for galvanising iron is : A.Zinc B.Mercury C.Cadmium D.Tin
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.
