Magnesium is mainly present in the form of

Options

A. Citrate
B. Bicarbonate
C. Carbonate
D. Phosphate

Answer

C

Explanation

Magnesium carbonate `MgCO_3` occurs in nature as the mineral magnesite and is an important source of elemental magnesium. It can be produced artificially by the action of carbon dioxide on a variety of magnesium compound.