1.

Which of the following statements is not true about potash alum ?

Answer»

Its empirical formula is `KAL(SO_(4))_(2).12H_(2)O`
Its aqueous sol. Is BASIC in nature
It is used in dyeing industry
On heating, it melts in its WATER of crystallisation.

SOLUTION :An aqueous solution of potash alum is acidic in nature.


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