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प्रश्न
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
उत्तर
Washing soda Na2CO3 exchanges ions [SO4]– and Cl– and do not make water hard.
APPEARS IN
संबंधित प्रश्न
Give two examples of hydrated substances.
What do you observe when Washing soda is exposed to air ?
Name the compound responsible for permanent hardness of water.
Name three water borne diseases.
What do you understand by
Soft water
What are the advantages of hard water.
Differentiate between Temporary & permanent hard water with suitable examples.
Give balanced equation to show how temporary hardness enters into water.
Give reason for the following:
Hardness in temporary water can be removed by boiling, but hardness in permanent hard water cannot.
Permanent hardness of water is due to the presence of _______.
