The chemical substance present in bones and teeth is
A. Calcium phosphate
B. Calcium chloride
C. Calcium sulphate
D. Calcium borate
Answer: Option A
Solution(By Examveda Team)
Seventy percent of bone consists of hydroxyapatite, a calcium phosphate mineral (known as bone mineral). Tooth enamel is composed of almost ninety percent hydroxylapatite.This Question Belongs to General Knowledge >> Chemistry
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