Question

1) calcium phosphate is present in tooth enamel .what is its nature? 2)which of the following does not contain water of crystillisation a)baking soda b)gypsum c)washing soda d)blue vitriol any irrevelent answer will be reported

Answer 1

Answer:

This is the answer

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Answer 2

Answer:

1) basically the compound responsible for our teeth or present in our teeth is calcium hydroxyapatite........ but can be considered as calcium phosphate............. its nature is around basic ig because due to bacterial action on food substances left and mouth release acid which erode the tooth enamel.....

2) baking soda does not have water of crystallization..