Answers

2016-03-19T20:48:24+05:30
Pure alumina should not be used since it is a poor conductor and consumes more energy.
molten cryolite must be used to mix with alumina so that u  can avoid high temperatures.

plz mark brainliest
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2016-03-20T14:21:09+05:30
1 ) Molten cryolite must be used to mix with alumia. 2) alumia should not be used coz its not good conductor.
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