Question

name 3 starting materials in the manufacture of sodium carbonate

Answer 1

Answer:

a) The raw materials used are : NaCl, lime stone or CaCO3andNH3. (b) Sodium hydrogen carbonate (NaHCO3) is sparingly soluble or less soluble in water and gets separted as a preciptate while NH4Cl remains in solution. The precipitate is removed by filtation.