the crystals of a compound on keeping in air get converted into a white powder. it's solution in water gives blue litmus with red litmus. it is used to remove parmanent hardness from water.
a. identify the substance. write chemical formula for its crystalline form.
b. from the given information.identify the nature of substance .
c. write two more uses of substance
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Answer:
a) Compound A is the washing the soda with formula Na2CO3 .10H2O
b) It is basic in nature.
c) Uses :
(1) Used in manufacturing of glass ,
soap , paper.
(2) Used for washing clothes.
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