1. Tardigrade
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  3. Chemistry
  4. The common impurities in bauxite are (i) Fe2O3 (ii) SiO2 (iii) CuO (iv) ZnO

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Q. The common impurities in bauxite are

(i) $Fe_{2}O_{3}$

(ii) $SiO_{2}$

(iii) $CuO$

(iv) $ZnO$

NTA AbhyasNTA Abhyas 2020General Principles and Processes of Isolation of Elements

Solution:

Bauxite is ore of aluminum, it has impurities of $Fe_{2}O_{3}$ and $SiO_{2}$