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poling process is used for...

poling process is used for

A

The removal of `Cu_(2)O` from Cu

B

The removal of `Al_(2)O_(3)` from `Al`

C

The removal of `Fe_(2)O_(3)` from `Fe`

D

All of these

Text Solution

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The correct Answer is:
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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