MCQ
The solubility product of $Ag_2CO_3$ and $FeCO_3$ in water at $25\,^oC$ are $4 \times 10^{-12}$ and $2.5 \times 10^{-11}$ respectively. If $S_1$ and $S_2$ are their solubilities in water respectively when dissolved separately, then $S_1/S_2$ is
- A$2 : 1$
- ✓$20 : 1$
- C$1 : 2$
- D$1 : 20$