Give the chemical reactions involved in the leaching of alumina from b – InterviewSolution

1.	Give the chemical reactions involved in the leaching of alumina from bauxite
Answer» Solution :`Al_(2)O_(3)(s)+2NaOH(aq)+3H_(2)O(L)to2Na[Al(OH)_(4)]` `2Na[Al(OH)_(4)]+CO_(2)toAl_(2)O_(3).xH_(2)O+2NaHCO_(3)` `Al_(2)O_(3).xH_(2)O(s)overset(1470K)(to)Al_(2)O_(3)(s)+xH_(2)O(g)`

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