alleryStart learning →The electrolytic process used to extract aluminium from alumina is the:
AHale Herbert process
BHale Hopkins process
CHall Heroult process
DHall Hunter process
Answer & Solution
Correct answer: C. Hall Heroult process
1. Molten alumina is electrolysed in a carbon lined cell.
2. The process carries two inventors' names.
3. It is the Hall Heroult process.
_Source: syllabus Chemistry Part I, Class XII, General Principles and Processes of Isolation of Elements._
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