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Ores of calcium areA. gypsum, colemanite, hydrolithB. quick lime, limestone, pearl ashC. quick lime, fluorapatite, feldsparD. carnallite, pearly ash, feldspar |
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Answer» Correct Answer - A `CaSO_(4).2H_(2)O,2CaO.4Ba_(2)O_(3),5H_(2)O,CaH_(2)` are ores of Ca. |
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