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प्रश्न
What are the causes of temporary hardness and permanent hardness of water?
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उत्तर
- Temporary hardness is due to the presence of carbonate and bicarbonate salts of calcium and magnesium.
- Permanent hardness is due to the presence of chloride and sulphate salts of calcium and magnesium.
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संबंधित प्रश्न
What are the causes for:
Temporary hardness
What are the causes for
Permanent hardness
Name the substance which makes water temporarily hard
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you remove temporary hardness from water without using a chemical compound?
Both temporary & permanent hardness in water can be removed by addition of washing soda. Give balanced equations for the same.
State what are synthetic detergents. Explain experimentally how you will determine the advantage of synthetic detergents over soap using a sample of hard water.
Name or state the following:
A substance added to remove both temporary and permanent hardness in water.
Give a reason for the following.
Hard water is not good for washing utensils.
The pleasant taste of drinking water is due to the presence of a dissolved substance which includes air, CO2, and minerals.
What is soft water?
