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Dilute solution of hydrogen peroxide can...

Dilute solution of hydrogen peroxide cannot be heated strongly for its concentration. Explain.

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Dilute solution of `H_(2)O_(2)` cannot be concentrated by heating beacause it decomposes into `H_(2)andO_(2)" on heating. " H_(2)O_(2)overset("heat")toH_(2)+O_(2)`
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SUBHASH PUBLICATION-HYDROGEN-Two marks questions and answers
  1. What happens when water reacts with sodium metal ?

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  2. How to prepare hydrogen peroxide from BaO(2)?

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  3. Dilute solution of hydrogen peroxide cannot be heated strongly for its...

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  4. Can sodium bicarbonate make water hard ?

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  5. Which of the hydrogen or deuterium undergoes reactions more rapidly an...

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  6. Can we remove completely temporary hardness due to Mg(HCO(3))(2) by bo...

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  7. H(2)O(2) acts as on oxidizing agent as well as reducing agent Why ?

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  8. Why do lakes freeze from top towards bottom ?

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  9. A mixture of H(2)O(2) and hydrzine with copper (II) is used as a rocke...

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  10. Water cannot be used to extinguish petrol fires. Why ?

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  11. What is the volume strenth of H(2)O(2)?

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  12. Hard water is softened before using in boilers. Expain.

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  13. What are the uses of Heavy Water ?

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  14. Show the oxidising property of H(2)O(2) with PbS.

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  15. Discuss the position of hydrogen in the periodic table is not justifie...

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  16. Explain property of H(2)O(2)"with"MnO(4)^(-) in acidic medium.

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  17. How does H(2)O(2) reduces iodine in reducing property ?

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  18. Describe the structure of common from of ice.

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  19. Distinguish clearly between (a) hard and soft water, (b) temporary har...

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  20. What is the structure of H(2)O(2)? Draw a shematic diagram indicating ...

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