2HgO=2Hg+O2
4Al+3C=Al4C3
Ni(NO3)2+K2S=NiS+2KNO3
2FeCl2+Cl2=2FeCl3
K2O+SO2=K2SO3
2Zn+O2=2ZnO
2C2H6+7O2=4CO2+6H2O
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2HgO=2Hg+O2
4Al+3C=Al4C3
Ni(NO3)2+K2S=NiS+2KNO3
2FeCl2+Cl2=2FeCl3
K2O+SO2=K2SO3
2Zn+O2=2ZnO
2C2H6+7O2=4CO2+6H2O