Q15 of 40 Page 1

In the extraction of impure is dissolved in conc. NaOH to form sodium aluminate and leaving impurities behind. What is the name of this process?

The name of the above-mentioned process is leaching of alumina.

Al2O3(s) + 2NaOH(aq) + 3H2O(l)→ 2Na[Al(OH)4](aq)


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