JEE Mains 27-July-2022 Shift 2 Solved Paper
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Among the following ores Bauxite, Siderite, Cuprite, Calamine, Haematite, Kaolinite, Malachite, Magnetite, Sphalerite, Limonite, Cryolite, the number of principal ores if iron is _________.
[27-Jul-2022-Shift-2]
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