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The one that is not a carbonate ore is : (1) malachite (2) bauxite (3) calamine (4) siderite |
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Answer» Correct option (2) bauxite Explanation: Malachite = CuCO3. Cu(OH)2 Bauxite = Al2O3 . 2H2O or AlOx . (OH)3–2x (where D < x < 1) Calamine = ZnCO3 Siderite = FeCO3 ∴ is Bauxite option-2. |
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