1.

H_(2)S will precipitate the sulphide of all the metals from thesolutionof chlorides of Cu,Zn and Cd if

Answer»

The solution is aqueous
The solution is acidic
The solution is diute acidic
Any of the above solution is present

Solution :`H_(2)S` in neutralmedium provides sufficient `S^(2-)` toprecipitate `CU,CD,Zn, and MN `as SULPHIDE


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