College of Admission Tests Multan

Miscellaneous

Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.

Question: 9

Which one of the following salts is found in maximum amount in the human bones?
  • Magnesium Chloride
  • Calcium Phosphate
  • Sodium Chloride
  • None of these

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Correct Answer: B

None
Sol. Calcium phosphate is the principal form of calcium found in bovine milk and blood. 70% of bone consists of hydroxyapatite, a calcium phosphate mineral (known as bone mineral). Up to 50% by volume and 70% by weight of human bone is a modified form of hydroxylapatite.