1.

Three separate samples of a solution of a single salt gave these test results: one formed a white precipitate with excess ammonia solution, one formed a white precipitate with dil. NaCl solution and one formed a black precipitate with H_(2)S the salt salt could be

Answer»

`AgNO_(3)` SOLUTION
`Pg(NO_(3))_(2)`
`HG(NO_(3))_(2)`
`MnSO_(4)`

Solution :`Pb(NO_(3))_(2)+2NH_(4)OH to UNDERSET("White ppt.")(Pb(OH)_(2))+2NH_(4)NO_(3)`
`Pb(NO_(3))_(2)+2NaCl to underset("White ppt.")(PbCl_(2))+2NaNO_(3)`
`Pb(NO_(3))_(2)+H_(2)S to underset("BLACK ppt.")(PbS)+2HNO_(3)`


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