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What is vulcanisation of rubber?...

What is vulcanisation of rubber?

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ASSAM ACADEMIC CENTRE-SURFACE CHEMISTRY-Example
  1. What are carbohydrates? Give the general formula of carbohydrates. Why...

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  2. What are proteins? Give one example each of fibrous and globular prote...

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  3. What is vulcanisation of rubber?

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  4. What is the role of sulphur on vulcanisation of rubber?

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  5. Give one example of the following: A non-narcotic analgesic

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  6. Give one example each of the following: An artificial sweetner

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  7. Give one example each of the following: A food preservative chemical

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  8. Mention one advantage of the use of synthetic detergent over soap.

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  9. Define order of a reaction.

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  10. For the reaction R rarr P write the differential rate law.

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  11. For the reaction R rarr P the rate becomes 4 times faster when the con...

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  12. Define activation energy of a reaction.

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  13. Show that the integrated rate law for the first order reaction R rarr ...

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  14. A first order reaction takes 40 minutes for 20% decomposition. Calcula...

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  15. Give reasons for the following: Nitrogen exhibits +5 oxidation state. ...

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  16. Give reasons for the following: Sulphur vapour is paramagnetic.

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  17. Give reasons for the following: Moist chlorine is powerful bleaching a...

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  18. Complete the following reactions: P4 + 3NaOH + 3H2O rarr?

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  19. Complete the following reactions: 2F2(g) + 2H2O(l) rarr?

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  20. Describe the manufacture of ammonia by Haber's process with favourable...

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