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Write the equations for the reactions involved in the leaching of alumina from bauxite ore. |
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Answer» Solution :`Al_(2)O_(3)(S) + 2NaOH(aq) + 3H_(2)O rarr 2NA[Al(OH)_(4)](aq)` `2Na[Al(OH)_(4)](aq) + 2CO_(2)(g) rarr Al_(2)O_(3).xH_(2)O(S) + 2NaHCO_(3)(aq)` `Al_(2)O_(3)x.H_(2)O(S) rarr Al_(2)O_(3)(S) + xH_(2)O(g)` |
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