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Addition of solution of oxalate to an aq...

Addition of solution of oxalate to an aqueous solution of mixture of `Ba^(2+), Sr^(2+)` and `Ca^(2+)` will precipitate :

A

`Ca^(2+)`

B

`Ca^(2+) and Sr^(2+)`

C

`Ba^(2+) and Sr^(2+)`

D

All the three

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The correct Answer is:
D
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