Question

The crystals of a compound are used to remove permanent hardness from water
and its solution in water gives blue colour with red litmus.
(a) ldentify the substance and write its formula for its crystalline form
(b) From the given information, identify the nature of the substance.
(c) Write one more use of the substance.​

Answer 1

Answer: a) the substance is washing soda Na2CO3.10H2Ob

b) its basic in nature

c) its used in the manufacturing of soaps,paper etc

also used for washing clothes