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What is meant by colloid and colloidal s...

What is meant by colloid and colloidal state? How does the theory of selective adsorption explain the origin of charge on colloidal particles ?

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What is the origin of charge on colloidal particles?

The origin of charge on colloidal solution is

The size of colloidal particle is

Which of the following is not an explanation for the origin of charge on the colloidal particles ?

How does electrophoresis provide information about the sign of charge on colloidal particles ?

Removal of charge from colloids

The size of the colloid particles is :

which property of colloidal solution is independent of charge on the colloidal particles ?

Which property of colloids is not dependent on the change on colloidal particles?

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ICSE-SURFACE CHEMISTRY -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) ( SHORT ANSWER QUESTIONS)
  1. What is an 'adsorption isotherm ? Describe Freundlich adsorption isoth...

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  2. Explain how the phenomenon of adsorption finds application in each of ...

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  3. What is meant by colloid and colloidal state? How does the theory of s...

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  4. What are lyophilic and lyophobic sols ? Give one example of each type....

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  5. Distinguish between multimolecular and macromolecular colloids.

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  6. What are multimolecular and macromolecular colloids? Give one example ...

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  7. Define each of the following terms (i) Micelles (ii) Peptization (ii...

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  8. Distinguish between mutlimolecular, macromolecular and associated coll...

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  9. What are micelles ? Give an example of a micellers system.

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  10. Write three differences between true solutions and colloidal solutions...

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  11. How are the following sols produced ? (a) Sulfur sol (b) Collodion.

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  12. Explain briefly dialysis.

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  13. Explain the following terms: Electrodialysis

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  14. Explain the following terms: Phases of a colloidal solution.

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  15. Define Gold number.

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  16. Special type of filter papers are used for the filtration of colloidal...

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  17. Define coagulation.

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  18. Bleeding from a fresh cut can be stopped by applying alum. Give reason...

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  19. Briefly describe the Bredig's arc method for the preparation of lyopho...

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  20. What is Tyndall effect ? Mention one of its applications.

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