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The resultant outputs of the carbothermic process are magnesium and __________

(a) radium

(b) carbon dioxide

(c) vanadium

(d) carbon monoxide

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The above asked question is from Processes of Magnesium and its Alloys topic in portion Magnesium Alloys of Aerospace Materials & Processes

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Right answer is (d) carbon monoxide

To explain: Carbothermic process is a thermal process used in the extraction of magnesium from its ores. In its process, magnesium oxide is obtained through a reduction from ores and is heated. It produces carbon monoxide apart from magnesium.

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