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InterviewSolution
| 1. |
Explain what happens if bauxite containing iron oxide and silica as impurities is directly subjected to the process of electrolytic reduction without prior purification. |
| Answer» Solution :Crude bauxide CONTAINS iron oxide and silica as IMPURITIES. If any iron is present in the bauxite, it will GET deposited at the CATHODE in prefernce to ALUMINIUM because iron is less electropositive than aluminium. | |