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प्रश्न
______ is the ore of aluminium.
विकल्प
Copper
Manganese
Bauxite
Coal
MCQ
रिक्त स्थान भरें
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उत्तर
Bauxite is the ore of aluminium.
Explanation:
Bauxite is a sedimentary rock that is used as the primary commercial resource for aluminium production. It consists up of a mixture of hydrous aluminium oxides that are chemically processed using the Bayer process to extract alumina and then refined via electrolysis (Hall-Héroult process) to generate pure aluminium metal. Copper and manganese are different metallic elements, but coal is a carbon-rich sedimentary rock that is mostly utilised as a fuel.
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