1. Na2SO3 + HCl → SO2 + NaCl + H2O
2. Zn + Na2SO3 + HCl → ZnCl2 + H2S + NaCl + H2O
3. Na2SO3 + KMnO4 + HCl → MnCl2 + Na2SO4 + KCl + H2O
4. Na2SO3 + K2Cr2O7 + HCl → CrCl3 + Na2SO4 + KCl + H2O
5. Na2SO3 + HCl → H2SO3 + NaCl
6. H2S + Na2SO3 + HCl → S + NaCl + H2O
7. Na2S + Na2SO3 + HCl → S + NaCl + H2O
8. Mg + Na2SO3 + HCl → MgCl2 + H2S + NaCl + H2O
9. Na2SO3 + SnCl2 + HCl → SnS2 + SnCl4 + NaCl + H2O
10. Na2SO3 + K2Cr2O7 + HCl → CrCl2 + Na2SO4 + KCl + H2O
1. Na2SO3 + HCl → SO2 + NaCl + H2O
2. Zn + Na2SO3 + HCl → ZnCl2 + H2S + NaCl + H2O
3. Na2SO3 + KMnO4 + HCl → MnCl2 + Na2SO4 + KCl + H2O
4. Na2SO3 + K2Cr2O7 + HCl → CrCl3 + Na2SO4 + KCl + H2O
5. Na2SO3 + HCl → H2SO3 + NaCl
6. H2S + Na2SO3 + HCl → S + NaCl + H2O
7. Na2S + Na2SO3 + HCl → S + NaCl + H2O
8. Mg + Na2SO3 + HCl → MgCl2 + H2S + NaCl + H2O
9. Na2SO3 + SnCl2 + HCl → SnS2 + SnCl4 + NaCl + H2O
10. Na2SO3 + K2Cr2O7 + HCl → CrCl2 + Na2SO4 + KCl + H2O