how is bauxite purified by halls method?
Asked by | 28th Feb, 2008, 09:32: AM
Expert Answer:
bauxite is dissolved in NaOH impurities donot dissolve and are separated. sodium aluminate is hydrlysed to get aluminium hydroxide which gives Al2O3. this process is called leaching.
Answered by | 2nd Mar, 2008, 08:11: PM
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