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What is the role of cryolite in the extr...

What is the role of cryolite in the extraction of pure aluminium from bauxite by electrolytic process?

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### Step-by-Step Solution: 1. **Understanding Cryolite**: - Cryolite is a mineral with the chemical formula Na3AlF6. It is used in the extraction of aluminum from bauxite. 2. **Role in Melting Point Reduction**: - One of the primary roles of cryolite in the extraction process is to decrease the melting point of the mixture. - The mixture typically consists of alumina (Al2O3), cryolite (Na3AlF6), and sometimes calcium fluoride (CaF2). ...
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