Question

Common impurities present in bauxite are ____________.(i) CuO(ii) ZnO(iii) Fe2O3(iv) SiO2NCERT Class XIIChemistry - Exemplar ProblemsChapter 6. General Principles and Processes of Isolation of Elements

Answer 1

Fe2SO3  is the common impurity present in the Aluminium ore Bauxite.

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Answer 2

Hey dear,

● Answer -
Both (iii) Fe2O3 & (iv) SiO2 are found in bauxite. However, if you have to choose most appropriate one it's Fe2O3.

● Bauxite -
- Bauxite is the ore of aluminium with molecular formula Al2O3.2H2O.
- It is the main source of aluminum across the globe.
- Main impurities present in iron oxides, silicon oxide, mineral kaolinite, etc.
- This bauxite ore is purified by Baeyer's process.



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