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प्रश्न
Define the Hard water.
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उत्तर
Water obtained from various sources does not easily form a lather with soap, rather it forms a white sticky scum or a precipitate. This water is called hard water.
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संबंधित प्रश्न
What is the effect on boiling point of water when impurity is added.
Boiling removes the ................ hardness of water.
What are the advantages of hard water.
State the disadvantages of using hard water.
Explain with equation, what is noticed when permanent hard water is treated with Washing soda.
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you distinguish between hard and soft water?
State the causes of hardness in water.
What are the methods of removing hardness of water?
What is permanent hardness of water? How can it be removed?
Write a note on ion exchange.
