(a) Write chemical equations for the reactions involved in obtaining pure alumina from the mineral bauxite which has impurities of iron oxide and silica.
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chemical reaction involved in the separation of Alumina from Alumina bauxite Ore having impurities like silica first al2 O3 plus 2 n a o h to na1 O2 + H2O sodium aluminate reacts with water to give aluminium hydroxide and sodium hydroxide third a l in bracket 2 + heat is equal to al203 + H2O aluminium Hydroxide decomposes to give Aluminium oxide it is pure and its water hope it helps you
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