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Paper 4Theory (Extended)1 marks
Extraction of Aluminium
Description
Electrolysis of Aluminium Oxide
The extraction of aluminium from bauxite involves the electrolysis of aluminium oxide dissolved in molten cryolite. Carbon anodes are used, and the process requires regular replacement of these anodes due to their consumption during the reaction.
- a[1]
State the role of cryolite in the extraction of aluminium.
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