Q1-Origin of enamel
Q2-Is enamel the hardest non living substance?
Q3- is it made of 95% calcium

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Solution

Ectodermal origin of enamel, yes it is the hardest substance of human body, the main component is calcium hydroxapatite i.e. having calcium and phosphate.

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Similar questions

A: Tooth is the hardest part of the human body.

R: Enamel is the hardest material in the human body.

Q_{1}, Q_{2}

Q_{3}

Question 06.
Calcium phosphate is present in tooth enamel. Its nature is
(a) basic
(b) acidic
(c) neutral
(d) amphoteric

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