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NEET UG CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
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Among the following groups of oxides, the group containing oxides that cannot be reduced by carbon to give the respective metals is
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Correct option: D
Option D () is correct because calcium and potassium oxides have very high stability and cannot be reduced by carbon at reasonable temperatures.
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Reason (R): Cassiterite being magnetic is attracted by the magnet and forms a separate heap. Which one is an ore of sodium? Aluminothermic process is used for the extraction of metals, whose oxides are: In the extraction of copper, the metal formed in the Bessemer’s converter is due to the reaction: