Cl2-HCl-NaCl-Cl2-NaCl-AgCl-AgCl
Cl2 - HCl - NaCl - Cl2 - NaCl - AgCl
Cl2 + H2 = 2HCl
HCl + Na2CO3 = 2NaCl + CO2 + H2O
2NaCl + 2H2O = 2NaOH + H2 + Cl2
Cl2 + 2Na = 2NaCl
NaCl + AgNO3 = AgCl + NaNO3