Uses of Baking Soda: It is used:

• as an antacid to neutralise excess acidity in the stomach.
• as an ingredient in certain food stuffs such as bread, cake, etc.
• in soda-acid fire extinguishers.
• in making aerated soft drinks.
• to produce carbon dioxide

Uses of Washing Soda: It is used:

• as a domestic cleaning agent.
• for removing permanent hardness of water.
• as a laboratory reagent.
• in the manufacture of sodium compounds such as borax.
• in the manufacture of glass, paper and soap.