Name the compound which is obtained from baking soda and is used to remove permanent hardness of water. (ii) Write its chemical formula. (iii) What happens when it is recrystallised from its aqueous solution?

Acids, bases and salt

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01/11/2020 12:50 pm

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romiroy12

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(i) Name the compound which is obtained from baking soda and is used to remove permanent hardness of water.

(ii) Write its chemical formula.

(iii) What happens when it is recrystallised from its aqueous solution?

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01/11/2020 12:51 pm

Anonymous

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(i) Sodium carbonate is obtained from baking soda and is used to remove hardness of water.

(ii) Na₂CO₃

(iii) It changes to washing soda, Na₂CO₃. 10H₂O.

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