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What is corrosion? Give two measures for...

What is corrosion? Give two measures for the prevention of corrosions of metals.

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ASSAM ACADEMIC CENTRE-SURFACE CHEMISTRY-Example
  1. Urea [NH2)2CO] forms an ideal solution in water. Calculate the vapour ...

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  2. The vapour pressures fo pure liquids A and B are 450 mm Hg and 700 mm ...

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  3. What is corrosion? Give two measures for the prevention of corrosions ...

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  4. What are adsorption and absorption processes? Give one suitable exampl...

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  5. Define homogeneous and heterogeneous catalysis. Give one suitable exam...

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  6. Mention one use each of Argon and Helium gases.

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  7. Name the noble gas that forms majority of the known noble gas compound...

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  8. Complete the following reaction: CH3CH2CH2OH + SOCl2 rarr?

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  9. Complete the following equations: CH2 = CH2 + Br2 overset(C Cl4) rarr ...

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  10. Fill in the blanks in the following table.

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  11. What are carbohydrates? Give the general formula of carbohydrates. Why...

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

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  13. What is vulcanisation of rubber?

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

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

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

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

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

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  19. Define order of a reaction.

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

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