Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
MediumIn the electrolysis of $Al_2O_3$ by the Hall-Heroult process,which of the following statements is correct?
- ACryolite $(Na_3AlF_6)$ lowers the melting point of $Al_2O_3$ and increases its electrical conductivity.
- B$Al$ is obtained at the cathode and $O_2$ at the anode.
- CGraphite anode is converted into $CO_2$.
- DAll of these.
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