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

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.