1) Cu(OH)2+H2SO4=CuSO4+2H2O
2)CuSO4+Zn=ZnSO4+Cu
3)ZnSO4+Mg=MgSO4+Zn
4)2Zn+O2=2ZnO
5)ZnO+Na2O=Na2ZnO2
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1) Cu(OH)2+H2SO4=CuSO4+2H2O
2)CuSO4+Zn=ZnSO4+Cu
3)ZnSO4+Mg=MgSO4+Zn
4)2Zn+O2=2ZnO
5)ZnO+Na2O=Na2ZnO2