1.

Which statement is not true about potash alum

Answer»

It's EMPIRICAL formula is `KAl (SO_(4))_(2). 12H_(2)O`
It's aqueous SOLUTION is basic in nature
It is used in dyeing industries
On heating it melts and loses its water of crystallization

Solution :`underset("cationic hydroysis")("Al"^(+3)+3H_(2)OrarrAl(OH_3)+3H^(+))`


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