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

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Solution

Washing soda is sodium carbonate decahydrate.
Properties:
(i) It is a transparent crystalline solid.
(ii) It is soluble in water.

Uses:
(i) It is used for removing the permanent hardness of the water.
(ii) It is used in the manufacture of glass, soap and paper.

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

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(a) Describe how washing soda is produced starting from sodium chloride (common salt). Write equations of all the reactions involved.

(b) State whether an aqueous solution of washing soda is acidic or alkaline ? Give reason for your answer.

(d) Give two important uses of washing soda (or sodium carbonate).

Question 15
Give two important uses of washing soda and baking soda.

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