1.

Which of the following is not a double salt?

Answer»

`KCl.MgCl_(2).6H_(2)O`
`FeSO_(4).(NH_(4))_(2)SO_(4).6H_(2)O`
`KAL(SO_(4))_(2).12H_(2)O`
`K_(4)[FE(CN)_(6)]`

Answer :D


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