Acids, Bases and Salts — Science STD 10 — Question
CBSE BoardEnglish MediumSTD 10ScienceAcids, Bases and Salts1 Mark
MCQ
Calcium phosphate is present in tooth enamel, its nature is :
✓
Basic
B
Acidic
C
Neutral
D
None of the above
✓
Answer
Correct option: A.
Basic
Calcium phosphate is present in tooth enamel and it is known as hydroxyapatite which is basic in nature.
It is present in bones also. It is the hardest known material in the whole body.
It is present on the outside part of the crown area in a tooth.
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