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JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
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Near the top of a blast furnace employed for the extraction of iron the metal oxides are reduced to spongy iron by:
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Correct option: B
CO
Option B (CO) is correct because carbon monoxide (CO) is the primary reducing agent in the upper part of a blast furnace, converting metal oxides to spongy iron.