1.

An aqueous solution of salt gives white precipitate with AgNO_3 solution as well as with dil. H_2 SO_4. It may be

Answer»

`Pb(NO_(3))_(2)`
`Ba(NO_(3))_(2)`
`BaCl_(2)`
`CuCl_(2)`

Solution :`BaCl_(2) +2AgNO_(3) to UNDERSET("WHITE ppt.")(2AgCl DARR) + BaNO_(3)`
`BaCl_(2)+H_(2)SO_(4) to underset("White ppt.")(BaSO_(4) darr)+2HCL`


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