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What are emulsions? Give an example of o...

What are emulsions? Give an example of oil disperesed in water (o/w) type emulsion.

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Uses of emulsions: 1. The concenration of sulphide ore particles by froth floatation process is based on emulsification. 2.Milk is an emulsion of fat in water. It is an important consituent of our daily diet. 3.Cleansing action of soaps and detergents is due to the formation of an emulsion between oily dirt and soap (or detergent) solution. 4.Cosmetics,ointments,lotions,hair dyes etc are more effective in the form of emulsions.
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SUBHASH PUBLICATION-SUPPLEMENTARY EXAMINIATION QUESTION PAPER JUNE 2017-PART E
  1. Write half cell reaction and E^o Value of (SHE) standard hydrogen ele...

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  2. Derive an intergrated rate for the first order reaction.

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  3. Write any two factors responsible for effective collisions.

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  4. What is shape selective catalysis? Give an example of such type of cat...

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  5. What are emulsions? Give an example of oil disperesed in water (o/w) t...

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  6. Mention any one application of adsorption.

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  7. Write equations for the steps in S(N)1 mechanism of conversion of tert...

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  8. Aryl halides are less reactive towards nucleophilic substitution react...

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  9. Write the mechanism of acid catalysed dehydration of ethanol to ethene...

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  10. Explain Reimer-Tiemann reaction.

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  11. Comlete the reaction (i) (ii) (iii)

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  12. Explain Cannizzaro reaction with an example.

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  13. Explain Hoffmann bromamide degradation reaction.

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  14. Name the major organic product formed in the following conversion. (i...

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  15. Which is more basic among methyl amine and aniline?

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  16. Give the Haworth structure of lactos.

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  17. What are essential amino acids? Give an example.

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  18. Name the pentose sugar present in RNA molecule.

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  19. Name the monomer present in following polymer: (i) Nylon-6 (ii) Natu...

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  20. What are co-polymers? Give example.

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