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प्रश्न
What do you understand by
Hard water
उत्तर
Water is said to be hard when it does not readily form lather with soap.
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संबंधित प्रश्न
Name the compound responsible for permanent hardness of water.
Boiling removes the ................ hardness of water.
Temporary hardness of water can be removed by
What are the advantages of soft water.
Explain with equation, what is noticed when permanent hard water is treated with Washing soda.
How will you distinguish between soft water and hard water?
Give balanced equations to show how permanent hardness in water can be removed by addition of washing soda.
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
Temporary hardness of water can be removed by ________ of water.
What is the reason for the hardness of water?
