1.

Aq solution contains Zn(CH_(3)COO)_(2) Cd(CH_(3)COO)_(2) and Cu(CH_(2)COO)_(2) on passing H_(2)Sgas there is precipitateof …….. As sulphide.

Answer»

`ZN^(2+),CD^(2+)`
`CU^(2+),Cd^(2+)`
`Zn^(2+),Cu^(2+)`
`Zn^(2+),Cu^(2+),Cd^(2+)`

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