General Principles and Processes of Extraction of Elements — Chemistry STD 12 Science — Question
Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryGeneral Principles and Processes of Extraction of Elements1 Mark
Question
Explain why, it is necessary to purify bauxite before electrolysis to obtain aluminium?
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Answer
Bauxite contains impurities of silica $\left( SiO _2\right)$ and Iron oxide $ (Fe_{2}O_{3}) $ which should be removed in order to get quality of aluminium.
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