What role is played by CO2 in getting pure alumina (A1l2O3) in the extraction of aluminium?
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CO2 reacts with the Na and Aluminium complex to give hydrated alumina which is then heated to give pure alumina
Undissolved impurities are separated by neutralization with CO2
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CO2 reacts with the Na and Aluminium complex to give hydrated alumina which is then heated to give pure alumina.
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