Question

Is magnessium oxide a pure substance
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Answer 1

Answer:

no!! mixture of Oxygen and magnesium that is mgo

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Answer 2

Ans No it is a mixture ,Magnesium oxide (MgO). An inorganic compound that occurs in nature as the mineral periclase. In aqueous media combines quickly with water to form magnesium hydroxide. It is used as an antacid and mild laxative and has many nonmedicinal uses