Question
Which among the following statement(s) is(are) true for the extraction of aluminium from bauxite (a) Hydrated Al2O3 precipitates when CO2 is bubbled through a solution
Which among the following statement(s) is(are) true for the extraction of aluminium from bauxite
(a) Hydrated Al2O3 precipitates when CO2 is bubbled through a solution of sodium aluminate.
(b) Addition of Na3AlF6 lowers the melting point of alumina.
(c) CO2 is evolved at the anode during electrolysis.
(d) The cathode is a steel vessel with a lining of carbon.
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Chemistry
Authors: Raymond Chang
10th edition
77274318, 978-0077274313
