Aluminium oxide reacts with sodium hydroxide ??
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Aluminum oxide reacts with sodium hydroxide to produce sodium aluminate and water. This reaction takes place at a temperature of 900-1100°C
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Al2O3 reacts with NaOH to form sodium aluminate, Na2Al2O4, which causes the dissolution of aluminum oxide. ... In fact ignited alumina on fusion with NaOH forms NaAlO2 and H2O (2NaOH + Al2O3 = 2NaAlO2 + H2O). The mixture when treated with water forms a clear solution of Sodium aluminate.
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