ChemistryEasy99×since 2002Q1399The compound(s) that is (are) removed as slag during the extraction of copper is : (A) CaO (B) FeO (C) Al₂O₃ (D) ZnO (E) NiO Choose the correct answer from the options given below:A(C), (D) onlyB(A), (B), (E) onlyC(A), (B) onlyD(B) onlyCheck answerSkip