1.

Which of the following pairs of cations ca be separated by adding NH_(4)Cl,NH_(4)OH and then (NH_(4))_(2)CO_(3) to the mixture?

Answer»

`CA^(2+),Mg^(2+)`
`BA^(2+),SR^(2+)`
`Sr^(2+),Ca^(2+)`
`Ba^(2+),Ca^(2+)`

ANSWER :A


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