1) What is the oxidation number of Zn in Zn + CuSO₄ → ZnSO₄ + Cu? a) 0 b) +2 c) -2 d) +1 2) What is the oxidation number of Cu in CuSO₄? a) +2  b) 0 c) -2 d) +1 3) What is the oxidation number of Fe in Fe + CuSO₄ → FeSO₄ + Cu? a) 0   b) +2 c) -2 d) +1 4) What is the oxidation number of Al in 2Al + 3CuCl₂ → 2AlCl₃ + 3Cu? a) 0 b) +3 c) -2 d) +1 5) Section 2: Identifying Oxidizing & Reducing Agents In the reaction Zn + CuSO₄ → ZnSO₄ + Cu, which element is oxidized?  a) Zn b) Cu c) SO₄ d) None 6) Which is the oxidizing agent in Zn + CuSO₄ → ZnSO₄ + Cu? a) Zn b) CuSO₄ c) SO₄ d) Cu 7) In the reaction Fe + CuSO₄ → FeSO₄ + Cu, Fe is oxidized. a) True  b) False 8) What is the reducing agent in 2Al + 3CuCl₂ → 2AlCl₃ + 3Cu? a) Cu b) Al c) Cl₂ d) Cu²⁺

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