AP EAPCET 20-Aug-2021 Shift 2 Paper

Section: Chemistry

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Question : 138 of 160

Marks: +1, -0

The main constituent of enamel on the surface of teeth is:

[3Ca3(PO4)2.CaF2]
Ca3(PO4)2.H2O
[3Ca3(PO4)2.Ca(OH)2]
CaF2

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