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Does colloidal state represent a differe...

Does colloidal state represent a different class of substance? Comment.

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Collidal solution is a heterogeneous solution which contains particle of intermediate size, i.e., (diameter between 1 and 1000 nm) colloidal is not a substance but it is a state of a substance which depends upon the molecular size. Colloidal solutions are intermediate between ture solution and suspensions. The difference between a lyophilic and lyophobic colloid is their

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Collidal solution is a heterogeneous solution which contains particle of intermediate size, i.e., (diameter between 1 and 1000 nm) colloidal is not a substance but it is a state of a substance which depends upon the molecular size. Colloidal solutions are intermediate between ture solution and suspensions. The size of the colloidal particles lies in the range

Collidal solution is a heterogeneous solution which contains particle of intermediate size, i.e., (diameter between 1 and 1000 nm) colloidal is not a substance but it is a state of a substance which depends upon the molecular size. Colloidal solutions are intermediate between ture solution and suspensions. The colloidal particle can pass through

ICSE-SURFACE CHEMISTRY -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) ( SHORT ANSWER QUESTIONS)
  1. What are macromolecular and multimolecular colloids? Give one example ...

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  2. What is common in aquasols and solid aerosols ? Also find the point of...

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  3. Does colloidal state represent a different class of substance? Comment...

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  4. Write short notes on Hardy-Schulze's rule

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  5. Write short notes on Peptization

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  6. What is Hardy Schulze's rule ? Justify the use of gelatin as a protect...

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  7. Explain the terms emulsions and micelles. Action of soap is due to emu...

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

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  9. Explain the terms associated colloids and peptization.

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  10. Explain the phenomenon which takes place when ferric hydroxide solutio...

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  11. Explain the terms: interfaces

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  12. Explain the terms: cataphoresis.

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  13. Explain the following: Gold number

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  14. Explain the following: Coagulation

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  15. Explain the following: Flocculating value

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  16. Explain the terms with suitable example. Electrodialysis

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  17. Explain the terms with suitable example. Brownian movement

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  18. Write three distinctive features of chemisorption which are not found ...

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  19. Name the two groups into which phenomenon of catalysis can be divided....

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  20. Describe a conspicuous change observed when a solution of NaCl is ...

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