Question 15. Give two important uses of washing soda and baking soda.
Answer:
Answer:
(a) Two important uses of washing soda
(i) It is used in the manufacture of soap and glass.
(ii) It is used to remove the permanent hardness of water.
(b) Two important uses of baking soda
(i) It is used for making baking powder.
(ii) It is used in soda- fire extinguishers.
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