During the extraction of aluminium from its ores, the ore is first purified to obtain alumina. The flow chart below shows the stages in the extraction of aluminium from alumina.

During the extraction of aluminium from its ores, the ore is first purified to obtain alumina. The flow chart below shows the stages in the extraction of aluminium from alumina.

(a) Name
(i) Substance C1
(ii) Process D1
(b) Give two reasons why aluminium is used extensively in the making of cooking pans.

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(a) (i) Cryolite

(ii) Electrolysis

(b) - Good conductor of heat

- Does not corrode easily

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johnmulu answered the question on May 17, 2017 at 09:46

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