1.

Concentrated aqueous sodium hydroxide can separate a mixture of:

Answer»

`A1^(3+)` and `SN^(2+)`
`A1^(3+)`and `FE^(3+)`
`A1^(3+)`and`ZN^(2+)`
`Zn^(2+)` and `Pb^(2+)`

Answer :B


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