Question

Q. 11. Calcium phosphate is present in tooth enamel. Its
nature is​

Answer 1

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Calcium phosphate is basic salt since it is a source of weak phosphoric acid and a slightly stronger base of calcium hydroxide. Calcium phosphate is a mineral comprising calcium ion (Ca2+) and phosphate ion which is inorganic in nature. It is present in the crown area of the tooth and also in bones.

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Answer 2

Answer:

Calcium phosphate($Ca_{3}(PO_{4})_{2})$ is present in tooth enamel and it is known as hydroxyapetite which is basic in nature. It is present in bones also. It is the hardest known material in the whole body.