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It is better to preserve H(2)O(2) in a p...

It is better to preserve `H_(2)O_(2)` in a polythene bottle than in a glass bottle - why?

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Decomposition of `H_(2)O_(2)` is acceleration by the presence of glass, sunlight and basic substance. So, `H_(2)O_(2)` is preserved in polythene bottle rather than glass bottle.
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CHHAYA PUBLICATION-HYDROGEN-WARM UP EXERCISE
  1. H(2)O(2) reacts with NaOH to give two types of salts - why? Write dow...

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  2. Explain why H(2)O(2) cannot liberate CO(2) by reducing carbonate or bi...

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  3. H(2)O(2) exhibits both oxidising and reducing properties. Explain why.

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  4. What do you mean by the 'antichlor' property of H(2)O(2)?

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  5. Give the mechanism of the bleaching action of H(2)O(2).

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  6. What are perhydrates? Give examples.

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  7. How is H(2)O(2) preserved in the laboratory?

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  8. It is better to preserve H(2)O(2) in a polythene bottle than in a glas...

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  9. Explain why H(2)O(2) is used to restore the original colour of oil-pai...

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  10. How will you identify a colourless liquid as H(2)O(2) or H(2)O?

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  11. What happens when H(2)O(2) is added to acidified KI solution followed ...

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  12. What is perhydrol?

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  13. What is Fenton's reagent? Mention its use.

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  14. Give the name and structure of the compound used as brightener in wash...

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  15. Mention the role of H(2)O(2) in pollution control.

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  16. What do you understand by the expression '30 volume H(2)O(2) solution?

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  17. What do you mean by 20% H(2)O(2) solution?

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  18. Calculate the volume strength of 1% H(2)O(2) solution.

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  19. Determine the volume strength of 1(N) H(2)O(2).

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  20. Calculate the percentage strength of '6.588 volume H(2)O(2) '.

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