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JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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The ore magnesite is:
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Correct option: D
MgCO3\mathrm{MgC}{\mathrm{O}_3}
Option D (MgCO3\mathrm{MgC}{\mathrm{O}_3}) is correct because magnesite is a mineral composed of magnesium carbonate (MgCO3\mathrm{MgC}{\mathrm{O}_3}).

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