1.

A mixture of two salts is not water soluble but dissolves completely in dilute hydrochloric acid to form a colourless solution. The mixture could be

Answer»

`AgNO_(3) and KBr`
`BaCO_(3) and ZNS`
`FeCl_(3) and CaCO_(3)`
`Mn(NO_(3))_(2) and MgSO_(4)`

SOLUTION :`BaCO_(3)+2HCl to BaCl_(2)+H_(2)O+CO_(2)`
`ZnS+underset((dil.))(2HCl)toZnCl_(2)+H_(2)S`


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