2Mg +O2=2MgO react. de comb.
NH3 + HCl =NH4 Cl react. de comb.
2Hg O =2Hg + O2 react. de descompunere
2Al +3 S=Al2S3 react. de combinare
CaO + H2O=Ca(OH)2 reac. comb.
2H2O=2 H2 + O2 reac. descomp.
CuCO3= CuO +CO2 reac. descomp.
2KClO3= 2KCl +3O2 r. descomp.
Na2O + H2O=2Na OH reac. comb.
N2+3H2=2NH3 reac.comb.
2Zn +O2 =2ZnO react. de combinare
H2 + Cl2=2HCl react. de comb.
H2CO3------->CO2 + H2O react. descomp.
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2Fe +3Cl2= 2FeCl3 react. de comb.
CH4 =C +2 H2 react.de descompunere
