How to obtain pure aluminium oxide from sodium aluminate. pls help.

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asked Aug 21, 2022 11.7k views

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Guerline · Answer 1 · 2022-08-24T20:51:24+0000

Answer:

By Bayer process.

Step-by-step explanation:

In the Bayer process, bauxite ore is heated in a pressure vessel along with a sodium hydroxide solution (caustic soda) at a temperature of 150 to 200 °C. At these temperatures, the aluminium is dissolved as sodium aluminate (primarily [Al(OH)4]−) in an extraction process.

How to obtain pure aluminium oxide from sodium aluminate. pls help.

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How to obtain pure aluminium oxide from sodium aluminate. pls help.