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प्रश्न
Give two natural sources of hard water.
उत्तर
Two natural sources of hard water :
- Water from springs
- River water.
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संबंधित प्रश्न
Explain the permutit method for softening hard water.
Explain with equation, what is noticed when permanent hard water is treated with Washing soda.
Differentiate between Hard & soft water with suitable examples.
Differentiate between Temporary & permanent hard water with suitable examples.
Give balanced equation to show how temporary hardness enters into 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.
Fill in the blank:
Hard and soft water can be distinguished using _____.
A sample of water is given in a trough. State how would you prove experimentally whether the given sample is hard water or soft water.
What is permanent hardness of water? How can it be removed?
