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प्रश्न
Name or state the following:
A substance added to remove both temporary and permanent hardness in water.
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उत्तर
Washing soda (Na,CO3)
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संबंधित प्रश्न
What causes the temporary and permanent hardness of water?
Discuss the principle and method of softening of hard water by synthetic ion-exchange resins.
What do you understand by
Temporary hard water
What are the causes for:
Temporary hardness
Explain with equation, what is noticed when permanent hard water is treated with
Slaked time
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you distinguish between temporary hard water and permanent hard water?
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?
State what are synthetic detergents. Explain experimentally how you will determine the advantage of synthetic detergents over soap using a sample of hard water.
Why does hard water not form lather with soap?
What is soft water?
