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NEET UG CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
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In electrolytic purification, which of the following is made of impure metal?
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Correct option: A
Anode
Option A (Anode) is correct because in electrolytic purification, the impure metal is used as the anode, where it gets oxidized and dissolved into the electrolyte.
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Assertion (A): Wolframite impurities are separated from cassiterite by electromagnetic separation.
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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: