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प्रश्न
What do you understand by
Hard water
एक पंक्ति में उत्तर
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उत्तर
Water is said to be hard when it does not readily form lather with soap.
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Removal of Hardness of Water
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संबंधित प्रश्न
What do you observe when Washing soda is exposed to air ?
Define the Soft water.
Define the Hard water.
Temporary hardness of water can be removed by
State the disadvantages of using hard water.
Give balanced equation to show how temporary hardness enters into water.
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you prove the advantage of detergent over soap.
Fill in the blank:
Hard and soft water can be distinguished using _____.
State the causes of hardness in water.
Name the process by which temporary hardness is easily removed from the water.
