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प्रश्न
What do you understand by
Soft water
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उत्तर
Water is said to be soft when the water containing sodium salts easily gives lather with soap.
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संबंधित प्रश्न
Give reason for It is difficult to cook in hills compared to plain.
Define the Hard water.
Suggest one method for the removal along with the reaction for permanent hardness of water.
What do you understand by
Hard water
State the disadvantages of using hard water.
Give balanced equation to show how temporary hardness enters into water.
Give reason for the following:
Hardness in temporary water can be removed by boiling, but hardness in permanent hard water cannot.
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
What are the methods of removing hardness of water?
Temporary hardness of water can be removed by
