Question

explain the refining of aluminium.​

Answer 1

Answer:

It is a method used to obtain aluminium of very high purity. The metal obtained in the Hall–Héroult process is about 99% pure, and for most purposes it is taken as pure metal. However, further purification of aluminium can be carried out by the Hoopes process. This is an electrolytic process.

Answer 2

Answer:

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Refining of Aluminium by Hoope's Electrolytic Method:- Aluminium is further purified by Hoope's process. The electrolytic cell consists of an iron box lined inside with carbon. The cell consists of three layers which differ in specific gravities. a) The upper layer is of pure aluminium which acts as cathode.

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