Question

production of washing soda​

Answer 1

Explanation:

Firstly, a cold and concentrated sodium chloride solution is reacted with ammonia and carbon dioxide to obtain sodium hydrogen carbonate. ... Thirdly, anhydrous sodium carbonate or soda ash is dissolved in water and recrystallised to get washing soda crystals containing 10 molecules of water of crystallisation.

Answer 2

Explanation:

ISTstep :NaCl+NH3+CO2+H2O---->NaHCO3+NH4Cl..........2nd step:2NaHCO3----->Na2Co3+CO2+H2O........3rd step:Na2CO3+10H2O------>Na2CO3.10H2O(washing soda)