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In the purification of aluminium by Hoop...

In the purification of aluminium by Hoope's process, impurities of silicon and copper are added to molten aluminium in order to

A

make the melt conducting

B

lower the melting point of the melt

C

smooth deposit of aluminium

D

make the melt heavier.

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The correct Answer is:
(B)
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DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-UNIT TEST - 21
  1. In the purification of aluminium by Hoope's process, impurities of sil...

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