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प्रश्न
State the causes of hardness in water.
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उत्तर
The presence of salts of calcium and magnesium i.e. Ca(HCO3) or Mg(HCO3) or calcium or magnesium sulphate or chloride in water are the Causes Of Hardness Of Water.
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संबंधित प्रश्न
Name the compound responsible for permanent hardness of water.
What are the advantages of soft water.
State the disadvantages of using 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.
Give balanced equations to show how permanent hardness in water can be removed by addition of washing soda.
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.
What is permanent hardness of water? How can it be removed?
What is the reason for the hardness of water?
Temporary hardness of water can be removed by
