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Hard water is not fit for washing clothe...

Hard water is not fit for washing clothes because

A

it contains `Na_(2)SO_(4)` and KCl

B

it gives precipitate with soap

C

it contains impurities

D

it is acidic in nature

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The correct Answer is:
B
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NARAYNA-HYDROGEN & ITS COMPOUNDS-LEVEL-4
  1. Hard water is not fit for washing clothes because

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  2. Hydrogen resembles halogens in many respects for which several fac...

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  3. Why does H^(+) ion always get associated with atoms or molecules ...

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  4. When zeolite which is hydrated sodium aluminium silicate is treated wi...

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  5. Which of the following hydrides is electron-precise hydride ?

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  6. Elements of which of the following group(s) of periodic table do ...

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  7. Only one element of …….from hydride.

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  8. Metal hydrides are ionic, covalent or molecular in nature. Among LiH, ...

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  9. Which of the following statements is incorrect?

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  10. The oxide that give H(2)O(2) on treatment with dilute H(2)SO(4) is

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  11. Hydrogen peroxide is obtained by the electrolysis of ………

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  12. Which of the following equations depict theoxidising nature of H(2)O(2...

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  13. Which of the following equation depicts reducing nature of H(2)O(2)...

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  14. Cosider the reactions (i) H(2)O(2) + 2HI to I(2) + 2H(2)O (ii...

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  15. Which of the following reaction produce dihydrogen from synthesis gas?

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  16. When sodium peroxide is treated with dilute H(2)SO(4), we get

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  17. Which of the following compounds is used to remove water hardens

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  18. When zeolite which is hydrated sodium aluminium silicate is treated wi...

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  19. In which of the following reactions does hydrogen acts as an oxidisng ...

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  20. CO+H(2) underset("catalyst")overset(300^(@)//300atm)(rarr)CH(3)OH the ...

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  21. Which one of the following statements regarding H(2)O(2) is false?

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