Poling process is used for

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(A) The Poling process is used for the purification of metals that contain their own oxides as impurities.In this process,the molten metal is stirred

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The removal of $Cu_2O$ from $Cu$

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(A) The Poling process is used for the purification of metals that contain their own oxides as impurities.In this process,the molten metal is stirred with green wood poles.The hydrocarbons released from the green wood reduce the metal oxide impurities back to the pure metal.For example,impure $Cu$ (containing $Cu_2O$) and $Sn$ (containing $SnO_2$) are purified using this method.

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