NaOH + CO2= NaOH + HCl= NaOH+ MgCl2=
2NaOH + CO2 = Na2CO3 + H2O NaOH + HCl = NaCl + H2O 2NaOH + MgCl2 = Mg(OH)2 + 2NaCl
NaOH+CO2=Na2CO3+H2O NaOH+HCl = NaCl+H2O