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Poiling process is used for:...

Poiling process is used for:

A

The removal of `Cu_2O` from Cu

B

The removal of `Al_2O_3` from Al

C

The removal of `Fe_2O_3` from Fe

D

All of these

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The correct Answer is:
A
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NTA MOCK TESTS-NTA NEET SET 86-CHEMISTRY
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