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Why lyophilic colloids are reversible?...

Why lyophilic colloids are reversible?

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Why are lyophobic colloids called irreversible colloids?

Explain the following: Lyophilic colloid is more stable than lyophobic colloid.

Mention two ways by which lyophilic colloids can be coagulated.

The extra stability of lyophilic colloids is due to-

What is lyophilic colloid? Why is it known as reversible sol?

What are lyophobic colloids? Give one example.

How coagulation of lyophilic sol is carried out?

R G PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Define Co-enzyme. Give one example.

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  2. Why is the ester hydrolysis slow in the beginning and becomes faster a...

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  3. Why lyophilic colloids are reversible?

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  4. Describe the following terms. Critical Micelle concentration

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  5. What is the function of peptizing agent?

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  6. Name the methods used for purification of colloidal solution.

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  7. In what way colligative proparties are applicable to colloidal particl...

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  8. To show Tyndal effect the value of refractive indices of the disperse...

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  9. What will happen when KI solution is added to AgNO3 solution .

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  10. A delta is formed at the meeting point of sea water and river water wh...

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  11. Write the conditions to observe the Tyndall effect.

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  12. Why is it necessary to remove CO when ammonia is obtained by Haber's p...

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  13. Distinguish between adsoption and absorption. Why does adsorption take...

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  14. Explain the thermodynamic conditions for adsorption.

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  15. Write three characteristics of physorption.

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  16. What is an adsorption isotherm? Describe Freundlich adsorption isother...

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  17. Explain the following terms giving a suitable example in each case: Ho...

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  18. Explain why a catalyst remain unchanged in mass and chemical compositi...

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  19. What is meant by shape-selective catalysis?

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  20. Write three important characteristics of enzyme catalytic reaction.

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