1.

The presence of magnesium is confirmed in the qualitative analysis by the formation of a white crystalline precipitate of

A. \[Mg{{\left( HC{{O}_{3}} \right)}_{2}}\]           
B. \[MgN{{H}_{4}}P{{O}_{4}}\]
C. \[MgN{{H}_{4}}{{\left( HC{{O}_{3}} \right)}_{3}}\]
D. \[MgC{{O}_{3}}\]
Answer» C. \[MgN{{H}_{4}}{{\left( HC{{O}_{3}} \right)}_{3}}\]


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