ICSE Class 10 Chemistry 2019 Solved Paper
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Answer the following questions based on the extraction of aluminium from alumina by Hall-Heroult's Process :
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Question : 73 of 86
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Why is powdered coke sprinkled on top of the electrolyte?
Solution:
Coke is sprinkled on top of the electrolyte to prevent loss of heat from the molten electrolyte.
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