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The ore of calcium which contains phosphorus isA. fluorapatiteB. ashestonC. talcD. gypsum

Answer» Correct Answer - a
"Fluorapatite" `rarr 3Ca_(3)(PO_(4))_(2).CaF_(2)`
"Asbestos" `rarr Ca_(2)Mg_(5)[Si_(4)O_(11)]_(2)(OH)_(2)`
"Talc" `rarr 3MgO.4 SiO_(2).H_(2)O`("hydrated magnesium silicate")
"Gypsum" `rarr CaSO_(4).2H_(2)O`


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