MCQ
Superphosphate of lime contains
- A$C{a_3}{(P{O_4})_2}$
- B$CaHP{O_4}$
- C$C{a_3}{(P{O_4})_2} + {H_3}P{O_4}$
- ✓$Ca{({H_2}P{O_4})_2}$
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$(I)$ Only $C$ react with $0.10\, M\, HCl$ to give $H_2(g)$
$(II)$ When $A$ is added to solution of the other metal ions, metallic $D$ is formed but not $B$ or $C$