Addition of an oxalate solution to an aqueous solution containing a mixture of $Ba^{2+}$,$Sr^{2+}$,and $Ca^{2+}$ ions 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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