1.

Bone ash contains [KCET 1992]

A. \[CaO\]
B. \[CaS{{O}_{4}}\]
C. \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\]
D. \[Ca{{({{H}_{2}}P{{O}_{4}})}_{2}}\]
Answer» D. \[Ca{{({{H}_{2}}P{{O}_{4}})}_{2}}\]


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