i) Uses of washing soda :
- Sodium carbonate (washing soda) is used in glass, soap and paper industries.
- It is used for removing permanent hardness of water.
- It is used in the manufacture of borax,
ii) Uses of baking Soda :
1)Used for making baking powder which is a mixture of baking soda and tartaric acid.
- It is also used in soda - acid fire extinguishers.
3)It acts as mild antiseptic.