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प्रश्न
Complete the statement using every given option.
During the extraction of aluminium..............
Use of leaching during the concentration of ore.
टीपा लिहा
उत्तर
The separation of impurities(silica (SiO2), ferric oxide (Fe2O3) and titanium oxide (TiO2)) in bauxite ore is done by leaching process using either Bayer’s method or Hall’s method.
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