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poling process is used for...

poling process is used for

A

for the removal of `Cu_(2)O` from Cu

B

for the removal of `Fe_(2)O_(3)` from Al

C

for the removal of `Fe_(2)O_(3)` from Fe

D

all of the above

Text Solution

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The correct Answer is:
A
Blister .Cu. is refined by poling to remove oxide impurities
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