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What is the state of dispersed phase and...

What is the state of dispersed phase and the dispersion medium (solid, liquid or gas) in smoke, mist, milk and gels?

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ICSE-SURFACE CHEMISTRY -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) ( LONG ANSWER QUESTIONS)
  1. How do you account for the following: Cleansing action of soap

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  2. How do you account for the following: Medicines are more effective...

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  3. What is the state of dispersed phase and the dispersion medium (solid,...

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  4. A certain colloidal solution is not affected by the addition of small ...

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  5. In what type of sol will the surface tension and viscosity be similar ...

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  6. Briefly describe the preparation of colloidal As2 S3. How can you demo...

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  7. Sols can be hydrophilic and hydrophobic. What do these terms mean?

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  8. How does electrophoresis provide information about the sign of charge ...

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  9. Gelatin which is a peptide is added in ice-creams. What can be its ro...

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  10. Colloidal sulphur exhibits Brownian movement while a solution of sulph...

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  11. Describe briefly how gold sols can be prepared ?

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  12. Define Gold number.

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  13. Name any two protective colloids.

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  14. Why is the cotton cloth required to be treated with a mordant, before ...

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  15. In what respect electrophoresis differ from electrolysis ?

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  16. What are enzymes inhibitors ?

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  17. Explain the term heterogeneous catalysis. Give examples of heterogeneo...

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  18. What is the role of adsorption in heterogeneous catalysis?

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  19. Explain the terms: (i) Active centres (ii) inhibitors (iii) promote...

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  20. How are colloids classified on the basis of (i) physical states of ...

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