Odpowiedź :
2N2O--->2N2+O2
N2+2O2--->2NO2
Fe2O3+3CO--->2Fe+3CO2
Cu2S+2Cu2O--->6Cu+SO2
3Cl2+2Cr--->2CrCl3
S+2Na--->Na2S
Mg+Br2--->MgBr2
2PbO+C--->CO2+2Pb
2NO+2H2--->N2+2H2O
2Al+3S--->Al2S3
2N2O--->2N2+O2
N2+2O2--->2NO2
Fe2O3+3CO--->2Fe+3CO2
Cu2S+2Cu2O--->6Cu+SO2
3Cl2+2Cr--->2CrCl3
S+2Na--->Na2S
Mg+Br2--->MgBr2
2PbO+C--->CO2+2Pb
2NO+2H2--->N2+2H2O
2Al+3S--->Al2S3