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Which of the following ions will caus...

Which of the following ions will cause hardness in water sample?

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MODERN PUBLICATION-HYDROGEN-NCERT FILE (NCERT EXEMPLAR PROBLEMS) (MCQs-I)
  1. Hydrogen resembles halogens in many respects for which several fac...

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

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

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

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  5. Radioactive elements emit alpha, beta and gamma rays and are charact...

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

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  7. The oxide that gives H2 O2 on treatment with dilute H2 SO4 is

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

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

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  10. Hydrogen peroxide is

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  11. Which of the following reaction increases, production of dihydrogen fr...

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  12. When sodium peroxide is trated with the dilute sulphuric acid, we...

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

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  14. Which of the following reactiona is an example of use of water gas...

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  15. Which of the following ions will cause hardness in water sample?

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  16. Which of the following compounds is used for water softening ?

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

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

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