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The ore of calcium which contains phosph...

The ore of calcium which contains phosphorus is

A

fluorapatite

B

asheston

C

talc

D

gypsum

Text Solution

Verified by Experts

The correct Answer is:
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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