2NaOH + ZnCl2 -> Zn(OH)2 + 2NaCl
2NaOH + SO2 -> Na2SO3 + H2O
NaOH + HCl = NaCl + H2O
2NaOH + Cu(NO3)2 = Cu(OH)2 + 2NaNO3
2NaOH + ZnCl2 -> Zn(OH)2 + 2NaCl
2NaOH + SO2 -> Na2SO3 + H2O
NaOH + HCl = NaCl + H2O
2NaOH + Cu(NO3)2 = Cu(OH)2 + 2NaNO3