Răspuns:
a) H2+Cl2=> 2HCl
b) 2Mg + O2=> 2MgO
c) 2Na + Cl2 => 2NaCl
d) N2 + 3H2=> 2NH3
e) CaO + H2O => Ca(OH)2
f) 4Al + 3O2=> 2Al2O3
