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Chemical Engineering Basics

Q1: The main constituent of bones is

A CaF2

B Ca3(PO4)2

C CaCO3

D CaCl2

ANS:B - Ca3(PO4)2

The main constituent of bones is calcium hydroxyapatite, which has the chemical formula Ca10(PO4)6(OH)2. This compound contains calcium, phosphorus, oxygen, and hydrogen. Among the options provided, the closest compound to the main constituent of bones is Ca3(PO4)2, which is calcium phosphate. Therefore, the correct choice is: Ca3(PO4)2



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