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Explain why a solution of H(2)O(2) canno...

Explain why a solution of `H_(2)O_(2)` cannot be concentrated by distillation at atmospheric pressure. How will you get pure `H_(2)O_(2)` from its dilute solution?

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CHHAYA PUBLICATION-HYDROGEN-WARM UP EXERCISE
  1. What is Marshall's acid?

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  2. How can H(2)O(2) solution be prepared by electrolysing an equimolar mi...

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  3. Explain why a solution of H(2)O(2) cannot be concentrated by distillat...

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  4. Which organic compound is used for manufacturing H(2)O(2) conveniently...

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  5. Discuss the structure of H(2)O(2) molecule.Explain why the shape of H(...

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  6. Explain why the dissociation of H(2)O(2) is a disproportionation react...

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  7. Mention some of the factors which accelerate the decomposition of H(2)...

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  8. Name two compounds which can decelerate the decomposition of H(2)O(2).

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  9. H(2)O(2) reacts with NaOH to give two types of salts - why? Write dow...

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

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

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

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

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  14. What are perhydrates? Give examples.

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

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

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

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

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

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  20. What is perhydrol?

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