poling process is used forA. The removal of `Cu_(2)O` from CuB. The re – InterviewSolution

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1.	poling process is used forA. The removal of `Cu_(2)O` from CuB. The removal of `Al_(2)O_(3)` from `Al`C. The removal of `Fe_(2)O_(3)` from `Fe`D. All of these
Answer» Correct Answer - 1 When impure metal has impurity of its own metal oxide, then Poling process is used e.g. impure Cu and Sn are purified by this method.

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