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What are the disadvantages of hard water...

What are the disadvantages of hard water?

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MAXIMUM PUBLICATION-Hydrogen-EXERCISE
  1. Among NH3, H2O and HF which would you expect to have highest magnitude...

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  2. Soap does not give lather with hard water. Why?

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  3. What are the disadvantages of hard water?

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  4. Write one example each for the oxidising action of H2O2 in acidic medi...

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  5. Write one example each for the reducing action of H2O2 in acidic medi...

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  6. Write two examples for redox reactions involving water.

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  7. Distinguish between: Hard and Heavy water

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  8. Distinguish between : Temporary and permanent hardness of water.

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  9. Hydrogen combines with elements to give binary compounds known as hydr...

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  10. Hydrogen combines with elements to give binary compounds known as hydr...

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  11. Prepare a short note on different types of hydrides

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  12. Analyse the equation: 2Na+H2 rarr 2NaH In this chemical equation, H2 r...

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  13. Analyse the equation: 2Na+H2 rarr 2NaH Hydrogen reacts with metals ...

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  14. Analyse the equation: 2Na+H2 rarr 2NaH Hydrogen is in…………….. oxidatio...

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  15. How is hydrogen of high purity prepared?

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  16. Dihydrogen is relatively inert at room temperature . Give reason.

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  17. Write any two uses of hydrogen.

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  18. A sample of cold river water does not easily give lather with soap, bu...

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  19. A sample of cold river water does not easily give lather with soap, bu...

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  20. Hydrogen has three isotopes - Protium. Deuterium and Tritium : Of thes...

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