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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 pressure is increased?
What is the effect on boiling point of water when impurity is added.
Suggest one method for the removal along with the reaction for temporary hardness.
Name three water borne diseases.
Give balanced equation to show how temporary hardness in water can be removed by boiling.
State the causes of hardness in water.
Give two natural sources of hard water.
Temporary hardness of water can be removed by ________ of water.
What is permanent hardness of water? How can it be removed?
Write a note on ion exchange.
