Fill in the blanks: The chemical formula of washing soda.......

Q. What is the chemical formula of Washing Soda ?

Q. Fill in the following blanks:
(a) Common salt is obtained from sea-water by the process of.............
(b) Rock salt is mined just like ......................
(c) Chemical formula of washing soda is ..................
(d) Sodium hydrogen carbonate is .................. soda whereas sodium carbonate is ................. soda.
(e) The chemical formula of plaster of Paris is ............

Q. The chemical formula of washing soda is

Q. Write chemical formula of washing soda. How is it obtained from baking soda? Name the one industrial use of washing soda other than washing clothes.

Q. Give chemical name, formula, and uses of Washing soda.