Răspuns:
a) 2H₂O + 2Na → 2NaOH + H₂↑
b) 2Fe(OH)₃ → Fe₂O₃ + 3H₂O
c) AlCl₃ + 3KOH → 3KCl + Al(OH)₃↓
d) Na₂O + SiO₂ → Na₂SiO₃
e) Pb(NO₃)₂ + Zn → Pb↓ + Zn(NO₃)₂
-Mihai
