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…………………………………
(e) The chemical formula of plaster of Paris is……………
Lakhmir Singh Chemistry Class 10
Answers
Answered by
5
a.evaporation. e.CaCO3
Answered by
3
Answer:
a- Evaporation
b- Coal
c- Na2CO3
d- Baking soda........ washing soda
e- CaSO4. 1/2 H2O
Explanation:
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