2NO+O2=2NO2
4HCl+O2=2H2O+2Cl2
PCl3+Cl2=PCl5
3Fe+4H2O=Fe3O4+4H2
CH4+I2=CH3I+HI
Zn+2HCl=H2+ZnCl2
CaCl2+Na2CO3=CaCO3+2NaCl
2NaBr+Cl2=2NaCl+Br2
Ca+2HCl=CaCl2+H2
2Mg+O2=2MgO
2H2S+3O2=2H2O+2SO2
2NO+O2=2NO2
4HCl+O2=2H2O+2Cl2
PCl3+Cl2=PCl5
3Fe+4H2O=Fe3O4+4H2
CH4+I2=CH3I+HI
Zn+2HCl=H2+ZnCl2
CaCl2+Na2CO3=CaCO3+2NaCl
2NaBr+Cl2=2NaCl+Br2
Ca+2HCl=CaCl2+H2
2Mg+O2=2MgO
2H2S+3O2=2H2O+2SO2