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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 …….
(a) Common salt is obtained from sea water by the process of evaporation.
(b) Rock salt is mined just like Coal.
(c) Chemical formula of washing soda is Na2CO3.10H2O
(d) Sodium hydrogen carbonate is baking soda whereas sodium carbonate is washing soda.
(e) The chemical formula of plaster of paris is CaSO4.1/2H2O.
 
Updated on: 10-Oct-2022
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