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Write down two important uses of heavy w...

Write down two important uses of heavy water.

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CHHAYA PUBLICATION-HYDROGEN-WARM UP EXERCISE
  1. How would you prepare deuterium peroxide (D(2)O(2)) ?

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  2. How will you prepare deuteroammonia (ND(3)) from N(2) ?

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  3. Write down two important uses of heavy water.

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  4. How will you prove that hypophoshporus acid (H(3)PO(2)) is a monobasic...

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  5. Sodium chloride is less soluble in heavy water than ordinary water-why...

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  6. Why is heavy water (D(2)O) injurious to human beings, animals and pla...

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  7. Some H(2)SO(4) has been added to distilled water. Explain whether this...

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  8. Explain why lather is not formed when soap is used in hard water.

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  9. It is better to use detergent than soap in hard water - explain why.

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  10. What do you understand by the term softening of hard water?

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  11. What is calgon? Which ions are rendered ineffective by calgon thereby ...

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  12. Temporary hardness caused by Mg(HCO(3))(2) cannot be removed completel...

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  13. What are the inorganic cation exchangers which are known as permutits ...

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  14. What do you understand by deionised or demineralised water?

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  15. In the preparation of deionised water how do organic cation or anion e...

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  16. How can the exhausted inorganic and organic ionexchangers be regenerat...

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  17. Explain why the water obtained after passing hard water through cation...

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  18. A sugar solution prepared in distilled water is passed successively th...

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  19. Why is hard water not used for cooling purpose in industry?

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  20. The hardness of water of a tube well is 300 ppm. What do you mean by t...

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