Fe + CuSO4 - Cu + FeSO4
4Na + O2 - 2Na2O
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Drop Mg, Zn, Fe, Cu in each test tube. ... Metal/Solution Mg Cu Zn Ag Fe CuSO4 Solution × × ZnSO4 Solution ... (c) 4Na + O2 -→ 2Na2O 2Na + ... (e) CuSO4 + Mg-→ Cu + MgSO4 CuSO4 + Zn-→ ZnSO4 + Cu CuSO4 + Fe-→ FeSO4 + Cu ...
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