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Discuss the principle and method of soft...

Discuss the principle and method of softening of hard water by synthetic ion-exchange resins.

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Which of the following will cause softening of hard water?

Hard water contains ions of

One of the chemical methods of softening water is sequestration. In this process :

The ease of adsorption of the hydrated alkali metal ions on an ion-exchange resins follows the order (1) L i + < K + < N a + < R b + (2) R b + < K + N a + < L I + (3) K + < N a + < R b + < L i + (4) N a + < L i + < K + < R b +

lon exchange process is commonly employed for large scale production of soft water.What is the basic principle involved in ion exchange method of softening water?

Permanent hardness of water can be removed only by chemical methods. Write the name of any one salt responsible for the permanent hardness of water.

V PUBLICATION-HYDROGEN-QUESTION BANK
  1. Describe the structure of the common form of ice.

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  2. What causes the temporary and permanent hardness of water?

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  3. Discuss the principle and method of softening of hard water by synthet...

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  4. Write chemical reactions to show amphoteric nature of water.

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  5. Write chemical reactiöns to justify that hydrogen peroxide can functio...

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  6. What is meant by 'demineralished water '?

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  7. Is demineralised or distilled water useful for drinking purposes? If n...

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  8. Describe the usefulness of water in bíosphere and biological systems.

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  9. What properties of water make it useful as a solvent?

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  10. Knowing the properties of H2O and D2O . Do you think that D2O can be u...

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  11. What is the difference between the terms 'hydrolysis' and 'hydration'?

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  12. How can saline hydrides remove traces of water from organic compounds?

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  13. What do you expect the nature of hydrides formed by elements of atomic...

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  14. Do you expect different products in solution when aluminium (III) chlo...

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  15. How does H2O2, behave as a bleaching agent?

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  16. What do you understand by the terms (i) hydrogen economy (ii) hydrogen...

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  17. Water a compound of hydrogen is .unique in many of its.properties.Wate...

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  18. i) Rain water and séa, water differ in their behaviour towards soap. G...

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  19. Cite two examples of metallic oxides which are acidic as well as basic...

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  20. Is it correct to say that hydrogen can behave as a metal? State the co...

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