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Dolomite is ___________

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Dolomite is ___________

(a) magnesium carbonate

(b) magnesium and potassium chloride

(c) magnesium calcium carbonate

(d) magnesium

This question was addressed to me in an internship interview.

This interesting question is from Processes of Magnesium and its Alloys in section Magnesium Alloys of Aerospace Materials & Processes

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Right answer is (c) magnesium calcium carbonate

The explanation is: Magnesium can be found commonly in various ores across the world. Dolomite is a magnesium calcium carbonate. Magnesium carbonate is magnesite. Carnallite is magnesium and potassium chloride.

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