A layer of coke is spread over the electrolyte in the extraction of aluminium from purified bauxite .Give reason
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A layer of coke is spread over bauxite during the extrection of aluminium. This acts as a/an. ... The fused electrolyte [a mixture containing alumina, cryolite (Na3AlF6), and fluorspar (CaF2) in the ratio of 20:40:20] is covered with a layer of coke to prevent the escape of heat.
can electrolysis be used to purify Aluminium?
Aluminium ore is called bauxite . The bauxite is purified to produce aluminium oxide, a white powder from which aluminium can be extracted. The extraction is done by electrolysis. The ions in the aluminium oxide must be free to move so that electricity can pass through it.
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