(i) CuO
(ii) ZnO
(iii) Fe2O3
(iv) SiO2
Correct Answers:
(iii) Fe2O3
(iv) SiO2
Explanation: Common impurities present in bauxite are Fe2O3 and SiO2
(i) CuO
(ii) ZnO
(iii) Fe2O3
(iv) SiO2
Correct Answers:
(iii) Fe2O3
(iv) SiO2
Explanation: Common impurities present in bauxite are Fe2O3 and SiO2