1.

What is washing soda ? State two properties and two uses of washing soda.

Answer»

Washing soda is

sodium carbonate decahydrate. Properties:

(i) It is transparent crystalline solid.

(ii) It is soluble in water.

Uses:

(i) It is used for removing permanent hardness of water.

(ii) It is used in the manufacture of glass, soap and paper.



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