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प्रश्न
Define the Hard water.
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उत्तर
Water obtained from various sources does not easily form a lather with soap, rather it forms a white sticky scum or a precipitate. This water is called hard water.
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संबंधित प्रश्न
What is the effect on boiling point of water when impurity is added.
Define the Soft water.
Suggest one method for the removal along with the reaction for permanent hardness of water.
What do you understand by
Soft water
What do you understand by
Hard water
State the disadvantages of using hard water.
Give reason for the following:
Hardness in temporary water can be removed by boiling, but hardness in permanent hard water cannot.
Explain the meaning of the terms – hard water & soft water.
State the causes of hardness in water.
Temporary hardness of water can be removed by ________ of water.
