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Standard XII
Chemistry
Ores and Minerals
Refining of a...
Question
Refining of aluminium is done by __________.
A
electrolysis
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B
distillation
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C
sedimentation
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D
oxidation
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Solution
The correct option is
A
electrolysis
Refining of aluminium is done by electrolytic method. The aluminium obtained is 99.99% pure.
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Assertion :
Refining of zinc is done by distillation under reduced pressure.
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The sketch below illustrates the refining of aluminium by Hoope's process.
Figure
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