- Tooth enamel is the outermost protective layer of the tooth. - It is the hardest substance in the human body, mainly due to its high mineral content. - The main mineral component is hydroxyapatite, which is a complex form of calcium phosphate with the chemical formula Ca₅(PO₄)₃(OH).
Tooth enamel is made up of which one of the following calcium compounds?
Asked in UPSC NDA 1 2019 · Topic: Food Preservation, Nutrition, Medicine, etc. (Micronutrients: Vitamins and Minerals – Chemical Nature and Physiological Roles)
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Answer: D. Calcium phosphate
Read the notes: Food Preservation, Nutrition, Medicine, etc. →
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