MCQ
Which is least soluble in water
- A$AgCl$
- B$AgF$
- C$AgI$
- ✓$A{g_2}S$
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$(A)\, F^-, Na^+, Mg^{+2}$ $(B) \,Ni, Cu, Zn$
$(C)\, N^{-3}, Cs^+, H^-$ $(D)\, Li, He, Be^{+2}$