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प्रश्न
Name the important ores of aluminium. What methods are employed for the concentration of the ores?
अति संक्षिप्त उत्तर
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उत्तर
The important ores of aluminium are bauxite, cryolite, corundum, and kaolinite. Bauxite is concentrated by Baeyer’s process (leaching), and when silica is present as an impurity, Serpek’s process is used.
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