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प्रश्न
Give two examples of hydrated substances.
लघु उत्तर
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उत्तर
- Washing soda (Na2CO3.10H2O)
- Gypsum (CaSO4.2H2O)
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Removal of Hardness of Water
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संबंधित प्रश्न
Suggest one method for the removal along with the reaction for temporary hardness.
How will you distinguish between soft water and hard water?
Differentiate between Hard & soft water with suitable examples.
Give balanced equation to show how temporary hardness in water can be removed by boiling.
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
Fill in the blank:
Hard and soft water can be distinguished using _____.
Permanent hardness of water is due to the presence of _______.
What is permanent hardness of water? How can it be removed?
What is the reason for the hardness of water?
Temporary hardness of water can be removed by
