Que. | What is the chemical formula of Alum? |
- A. KAl (SO4)2. 12H2O
- B. K2SO4.12H2O
- C. KSO4.2H2O
- D. K(SO4)2.12H2O
Right Answer is :
✓ A. KAl (SO4)2. 12H2O
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