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Distinguish between emulsification and d...

Distinguish between emulsification and de-emulsification.

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CHHAYA PUBLICATION-SURFACE CHEMISTRY-WARM UP EXERCISE
  1. What type of emulsions are cold cream and vanishing cream?

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  2. What is an emulsifying agent? Give two examples.

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  3. Distinguish between emulsification and de-emulsification.

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  4. What are surfactants? Mention their types with an example of each.

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  5. Write the molecular structure of sodium stearate. Identify its hydroph...

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  6. Identify the surfactants of CH(3)-(CH(2))(15)-(CH(3))(3)N^(+)Cl^(-) co...

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  7. Identify the surfactants of CH(3)-(CH(2))(16)-CH(2)SO(4)Na compounds:

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  8. What is peptisation ?

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  9. Give examples of any two colloids that are prepared by the Bredig's ar...

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  10. Write one method each for the preparation of gold and sulphur sol.

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  11. Write a method of preparation of ferric hydroxide sol.

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  12. What is dialysis? Give one application of it.

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  13. On which principle does an artificial kidney work?

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  14. Give an example of a sol that can be prepared both by Bredig's arc and...

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  15. What is Brownian movement? Why do colloidal particles do not settle do...

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  16. Why are the magnitudes of colligative properties of colloidal solution...

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  17. You are supplied with two solutions, one of which is a soap solution a...

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  18. Why does the path of light become visible when passed through a colloi...

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  19. Why is Tyndall effect not very distinct in the case of lyophilic collo...

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  20. Define the Electrophoresis

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