Name the chief forms of occurrence of magnessium in nature. How is magnessium extracted from one of its ores?

Name the chief forms of occurrence of magnessium in nature. How is mag

1.	Name the chief forms of occurrence of magnessium in nature. How is magnessium extracted from one of its ores?
Answer» Solution :Magnesium is QUITE ABUNDANT in the earth crust and occupy sixth position in order of their abundance. Ores of magnesium: The important ores of magnesium are as follows: (i). Carnallite: `(2KCl.MgCl_(2).6H_(2)O) or K_(2)MgCl_(4).6H_(2)O` (ii). MAGNESITE: `MgCO_(3)` (iii). Dolomite: `MgCO_(3).CaCO_(3)CaCO_(3)` (iv). Epsom salt: `MgSO_(4).7H_(2)O` The chlorides and sulphates occur in SEA water.