Question

Calcium phisphate present in tooth enamel is of which nature

Answer 1

hi frnd this answer for ur question
calcium phosphate present in our tooth enamel of basic nature ,it is salt of weak acid(phosphoric acid ) and slightly strong base (calcim hydroxide )

Answer 2

Calcium phosphate is basic salt, as it is a salt of weak acid (phosphoric acid) and slightly stronger base (calcium hydroxide) (though both are weak). Also when pH of our mouth falls below 5.5 due to eating of sweets etc., i.e., mouth is acidic, the dissolution of enamel (calcium phosphate) starts which shows that calcium phosphate is basic in nature. 

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