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The presence of magnessium is confimed in the qualitative amalysis by the formation of a white crystaline precipitate of :

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The presence of magnessium is confimed in the qualitative amalysis by the formation of a white crystaline precipitate of :
A. `Mg(HCO_(3))_(2)`
B. `MgNH_(4)PO_(4)`
C. `MgNH_(4)(HCO_(3))_(3)`
D. `MgCO_(3)`
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Correct Answer - b
`MgCI_(2) + Na_(2)HPO_(4) + NH_(4)OH rarr underset("White ppt")(Mg(NH_(4))PO_(4) +2NaCI +H_(2)O`
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