Ap Eapcet
Chemistry In Everyday Life
AP EAPCET 2024 - 21th May Evening Shift
MCQ+1 / -02024
The enamel present on teeth becomes much harder due to the conversion of $\left[3 \mathrm{Ca}_3\left(\mathrm{PO}_4\right)_2 \cdot X\right.$ ] into [ $3 \mathrm{Ca}_3\left(\mathrm{PO}_4\right)_2 Y$ ]. What are $X$ and $Y$ ?
