Common ores of zinc are zincite (ZnO), calamine (ZnCO3) and zinc blende (ZnS). It is a bluish grey non-ferrous metal. It becomes brittle at a high temperature of 200°C and can also be powdered at this temperature. It is used in the form of a sheet as a corrosion-resistant surface. Further, it is also used as a protective coating on iron and steel in the form of a galvanized or sprayed surface. It is also used in making brass and other alloys and in electric cells.
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