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प्रश्न
Give two natural sources of hard water.
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उत्तर
Two natural sources of hard water :
- Water from springs
- River water.
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संबंधित प्रश्न
Name the compound responsible for temporary hardness.
Name the compound responsible for permanent hardness of water.
Temporary hardness of water can be removed by
State the disadvantages of using hard water.
Explain the permutit method for softening hard water.
Differentiate between Hard & soft water with suitable examples.
Differentiate between Temporary & permanent hard water with suitable examples.
Give balanced equations to show how permanent hardness in water can be removed by addition of washing soda.
Give reason for the following:
Hardness in temporary water can be removed by boiling, but hardness in permanent hard water cannot.
Temporary hardness of water can be removed by
