Bone ash contains
(a) CaO (b) CaSO₄
(c) Ca₃ (PO₄)₂ (d) Ca(H₂PO₄)₂
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Answer:
CaO
Explanation:
because it was formed thru the calcination of bones.
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Bone ash contains (c) Ca₃(PO₄)₂ .
• Bone ash is formed by the calcination of animal bones, which comprise mainly of calcium and phosphate.
• Calcination means burning in oxygen at a very high temperature.
• Animal bones, which contain tricalcium phosphate (Ca₃(PO₄)₂), are burnt in oxygen at a very high temperature to obtain bone ash which is used to make bone china, fertilizers etc.
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