Common alum is
- A$K_2SO_4 \cdot Al_2(SO_4)_3 \cdot 24H_2O$
- B$K_2SO_4 \cdot Cr_2(SO_4)_3 \cdot 24H_2O$
- C$K_2SO_4 \cdot Fe_2(SO_4)_3 \cdot 24H_2O$
- D$(NH_4)_2SO_4 \cdot FeSO_4 \cdot 6H_2O$
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Similar Questions
Which of the following produce an alkaline solution when dissolved in water?
$(i)$ Borax
$(ii)$ Potash alum
$(iii)$ $SO_2$
$(iv)$ $SO_2(OH)_2$
$(i)$ Borax
$(ii)$ Potash alum
$(iii)$ $SO_2$
$(iv)$ $SO_2(OH)_2$
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When $B_2H_6$ reacts with excess $NH_3$ at a very high temperature $(> 200 \, ^\circ C)$,the product formed is:
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