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30-volume hydrogen peroxide means...

`30-`volume hydrogen peroxide means

A

`30 %` of `H_(2)O_(2)` by volume

B

`30 g` of `H_(2)O_(2)` solution contains `1g` of `H_(2)O`

C

` 1 cm^(3)` of solution liberates `30 cm^(3)` of dioxygen gas at STP

D

`1 cm^(3)` of solution liberate `30 cm^(3)` of dioxygen gas at `STP`

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The correct Answer is:
C
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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

Hydrogen peroxide is

CENGAGE CHEMISTRY-HYDROGEN, WATER AND HYDROGEN PEROXIDE-Exercises (Single Correct)
  1. Ortho- and para-hydrogen differ in

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  2. Nascent hydrogen consists of

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  3. 30-volume hydrogen peroxide means

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  4. The compound which gives H2O2 on treatment with dilute acid is

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  5. When a sample of hard water is passed through the layer of sodium zeol...

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  6. Hydrolysis of one mole of peroxodisulphuric acid produces acid produce...

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  7. Barium peroxide reacts with phosphoric acid to produce barium phosphat...

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  8. One part of heavy water is present in X parts of ordinary water. Here ...

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  9. The hydride ion H^(ɵ) is a stronger base than hydroxide ion. Which of ...

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  10. The volume strength of 1*5 N H(2)O(2) solution is

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  11. Which of the following pair of substances will not evolve H2 gas

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  12. H2 molecule has two electrons and two nuclei. In which form of hydroge...

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  13. What is false about Lane's process?

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  14. Which of the following hydrides are generally non-stoichiometric in na...

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  15. Dihydrogen gas may be prepared by heating caustic soda on

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  16. The volume of 10 volume of H2O2 required to liberate 500mL of O2 at ST...

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  17. Pure H2O2 is

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  18. Hydrogen can react with the following even in dark:

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  19. When zeolite, which is hydrated sodium aluminium silicate is treated w...

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  20. 34 g of H(2)O(2) is present in 1120 ml of H(2)O solution. This solutio...

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