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What do you understand by the term adsor...

What do you understand by the term adsorption, absorption and sorption ?

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ICSE-SURFACE CHEMISTRY -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) ( LONG ANSWER QUESTIONS)
  1. What do you understand by the term adsorption, absorption and sorption...

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  2. Distinguish between physical adsorption and chemical adsorption.

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  3. Why is adsorption accompanied by the decrease of both enthalpy as well...

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  4. Give any four applications of adsorption.

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  5. What do you understand by adsorption isotherm and adsorption isobar ? ...

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  6. Explain briefly dialysis.

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  7. What is the origin of charge on colloidal particles?

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  8. Explain briefly five important applications of colloids.

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  9. Write short notes on Peptization

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  10. Write notes on : Ultrafiltration

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  11. Write notes on : Protective colloids

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  12. How do you account for the following: Curdling of milk

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  13. How do you account for the following: Tail of comets

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  14. How do you account for the following: Use of potash alum in the pu...

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  15. How do you account for the following: Cleansing action of soap

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

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

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

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

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

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