a = S ; b = O2 ; j = CaO
1. S + O2 => SO2
2. 2SO2 + O2 => 2SO3
3. H2 + O2 => H2O
4. SO3 + H2O => H2SO4
5. Ca + 2H2O => Ca(OH)2 + H2
6. CaO + H2O => Ca(OH)2
7. CaO + 2HCl => CaCl2 + H2O
8. Ca(OH)2 + 2HCL => CaCl2 + 2H2O
g = HCl = decaparea vaselor, obtinerea unor substante anorganice si organice