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The degree of hardness of water is usual...

The degree of hardness of water is usually expressed in terms of

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MODERN PUBLICATION-HYDROGEN-Competition file (Objective Questions) (Multiple Choice Questions from Competitive Examinations)
  1. The degree of hardness of water is usually expressed in terms of

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  2. Syngas is a mixture of

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  3. The strength of H2 O2 (in g/litre) in 11.2 volume solution of H2 O2 i...

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  4. The inorganic compound obtained by the auto-oxidation of 2-alkylanthra...

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  5. (i) H2 O2 + O2 to H2 O + 2O2 (ii) H2 O2 + Ag2 O to 2Ag + H2 O + 2O2...

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  6. Which of the following statements about hydrogen is incorrect ?

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  7. The method used to remove temporary hardness of water is

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  8. Pure water does not conduct electricity because it is

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  9. Al4 C3 on hydrolysis gives …………… gas

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  10. Which of the following is formed by the action of water on Na2 O2 ?

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  11. In transforming 1 mole of PbS to PbSO4 the volume of '10 volume ' H2 O...

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  12. Why do calcium ions make water hard but sodium ions do not ?

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  13. Which of the following undergoes reduction with H(2)O(2) in an alkalin...

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  14. The normality of 30 volume H2 O2 is

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  15. Very pure hydrogen (99.9%) can be made by which of the following proce...

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  16. Commerical sample of H2 O2 is labeled as 10 V. its % strength is nearl...

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  17. In which of the following reactions H2 O2 acts as a reducing agent ? ...

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  18. The molecular fomula of a commercial resin used for exchanging ions in...

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  19. From the following statements regarding H2O2, choose the incorrect sta...

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  20. The various types of hydrides and examples of each type are given belo...

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