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30-volume hydrogen peroxide means...

`30-`volume hydrogen peroxide means

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It means that 1 mL of `H_2 O_2` will give 10 mL of oxygen at N.T.P.
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20 volume hydrogen peroxide means

Hydrogen peroxide (H_2 O_2) was first prepared by Thenard by acidifying barium peroxide and removal of excess water by evaporation under reduced pressure. Its strength can be expressed as weigth percentage or as volume percentage . 25% solution by weight means 25 g of hydrogen peroxide are present in 100 g of solution and 25 volume of hydrogen peroxide means that 1 litre of this solution will give 25 L of oxygen at NTP. Why can dilute solution of hydrogen peroxide not be concentrated by heating ?

Hydrogen peroxide (H_2 O_2) was first prepared by Thenard by acidifying barium peroxide and removal of excess water by evaporation under reduced pressure. Its strength can be expressed as weigth percentage or as volume percentage . 25% solution by weight means 25 g of hydrogen peroxide are present in 100 g of solution and 25 volume of hydrogen peroxide means that 1 litre of this solution will give 25 L of oxygen at NTP. Calculated the strength of 25 volume solution of H_2 O_2 .

Hydrogen peroxide (H_2 O_2) was first prepared by Thenard by acidifying barium peroxide and removal of excess water by evaporation under reduced pressure. Its strength can be expressed as weigth percentage or as volume percentage . 25% solution by weight means 25 g of hydrogen peroxide are present in 100 g of solution and 25 volume of hydrogen peroxide means that 1 litre of this solution will give 25 L of oxygen at NTP. Calculate the volume strength of a 2N H_2 O_2 solution.

Hydrogen peroxide (H_2 O_2) was first prepared by Thenard by acidifying barium peroxide and removal of excess water by evaporation under reduced pressure. Its strength can be expressed as weigth percentage or as volume percentage . 25% solution by weight means 25 g of hydrogen peroxide are present in 100 g of solution and 25 volume of hydrogen peroxide means that 1 litre of this solution will give 25 L of oxygen at NTP. Can we use anhydrous barium peroxide for the preparation of H_2 O_2 ?

Hydrogen peroxide is

MODERN PUBLICATION-HYDROGEN-REVISION EXERCISES (Very Short Answer Questions)
  1. Name the three isotopes of hydrogen .How do they differ? Which out of ...

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  2. 30-volume hydrogen peroxide means

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  3. Acetaldehyde when treated with dilute NaOH gives.

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  4. What is the oxidation number of hgydrogen in LiAIH(4)? Name a compound...

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  5. What are advantages of using hydrogen as a fuel over gasoline or coal ...

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  6. Why conc. H2 SO4 cannot be used to dry hydrogen sulphide ?

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  7. The element having the higher boiling point is

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  8. What is heavy water ?

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  9. Name two metals which can displace hydrogen from acids.

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  10. Which isotope of hydrogen is radioactive in nature?

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  11. a. What does [H(9)O(4)]^(o+) stand for ? Draw its structures. b. Can...

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  12. What is meant by autoprotolysis of water ?

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  13. Which of the following is the most reactive towards ring nitration ?

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  14. How does O(3) react with lead sulphide ? Write chemical equation.

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  15. Bleaching action of H(2)O(2) is due to its :

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  16. What happens when phosphoric acid is heated ?

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  17. Give an example of (i) ionic hydride, (ii) covalent hydride.

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  18. Calcium carbide reacts with water to produce

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  19. Complete the following reactions: (i) XeF2 + H2 to , (ii) XeF6 + Si...

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  20. Complete the following reactions: (i) XeF2 + H2 to , (ii) XeF6 + Si...

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