MCQ
Potash alum is a double salt, its aqueous solution shows the characteristics of
- A$Al^{3+}$ ions
- B$K^+$ ions
- C$SO_4^{2-}$ ions
- ✓All of the above
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Atomic weight : $Fe =55.85 ; \mathrm{S}=32.0$ $\mathrm{O}=16.00$