Give the name and formula of one ore of the following metals
(a) Iron
(b) Copper
(c) Zinc
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refer this.........
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iron :-Fe2O3 (70% Fe); magnetite, Fe3O4 (72.4% Fe) and of much less importance are: limonite, 2Fe2O3·3H2O (60% Fe); siderite, FeCO3 (48.3% Fe); pyrite, FeS2 (46.6% Fe)
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