Question

write the equation for the preparation of (a) baking soda (b) washing soda

Answer 1

a) Baking Soda
Nacl + Nh3 + Co2 + H2O -------------> NaHCO3 + Nh4Cl

b) Washing soda
Na2CO3 + 10H2O ---------> Na2CO3.10H2O

Hope it helps you !!!

Answer 2

NaCl + NH3 + H2O + CO2 → NH4Cl + NaHCO3