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प्रश्न
What do you understand by
Hard water
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उत्तर
Water is said to be hard when it does not readily form lather with soap.
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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.
What do you understand by
Soft water
Explain with equation, what is noticed when permanent hard water is treated with Washing soda.
Differentiate between Temporary & permanent hard water with suitable examples.
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
Two samples of water are placed in a beaker individually. State how you will determine experimentally which of the two samples contains permanent hard water.
Permanent hardness of water is due to the presence of _______.
Name the process by which temporary hardness is easily removed from the water.
Temporary hardness of water can be removed by
