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प्रश्न
Name the compound responsible for permanent hardness of water.
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उत्तर
Permanent hard water— Water, which has sulphates and chlorides of calcium and magnesium dissolved in it, is called permanent hard water. This hardness cannot be removed by boiling.
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संबंधित प्रश्न
What is the effect on boiling point of water when impurity is added.
Give two examples of hydrated substances.
Define the Soft water.
Define the Hard water.
Suggest one method for the removal along with the reaction for temporary hardness.
What do you understand by
Soft water
Give balanced equations to show how permanent hardness in water can be removed by addition of washing soda.
Explain the meaning of the terms – hard water & soft water.
What is permanent hardness of water? How can it be removed?
Temporary hardness of water can be removed by
