Main constituent of bone ash is____________________?
Correct answer: D. Calcium phosphate
- A. Ammonium phosphate
- B. Ammonium sulphate
- C. Animal charcoal
- D. Calcium phosphate
Explanation
Bone ash is produced by calcining bones and consists mainly of calcium phosphate, especially hydroxyapatite-related phosphates. Animal charcoal is a different carbon-containing product obtained by destructive heating of bones.
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