А)Ga2O3+3H2=2Ga+3H2O
Б)MnO2+2C=Mn +2CO
В)3Cu2O+2Al=Al2O3+6Cu
Г)2CrCl3+3Ca=2Cr+3CaCl2
Д)Pb(NO3)2+Zn=Pb+Zn(NO3)2
Е)2NaCl=2Na+Cl2
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Answers & Comments
А)Ga2O3+3H2=2Ga+3H2O
Б)MnO2+2C=Mn +2CO
В)3Cu2O+2Al=Al2O3+6Cu
Г)2CrCl3+3Ca=2Cr+3CaCl2
Д)Pb(NO3)2+Zn=Pb+Zn(NO3)2
Е)2NaCl=2Na+Cl2