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The sketch below illustrates the refinin...

The sketch below illustrates the refining of aluminium by Hoope's process.

What is the electrolyte in the tank?

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Mixture of alumina and cryolite
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The sketch below illustrates the refining of aluminium by Hoope's process. What material is used for the cathode?

The sketch below illustrates the refining of aluminium by Hoope's process. Which of A and B is the cathode and which one is the anode?

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The following is a sketch of an electrolytic cell used in the extraction of aluminium. What is the substance of which the electrode A and B are made ?

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The following is a sketch of an electrolytic cell used in the extraction of aluminium. Why is it necessary for electrode B to be continuously replaced ?

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