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Explain the following terms: (i) Elect...

Explain the following terms:
(i) Electrophoresis (ii) Coagulation
(iii) Dialysis
(iv) Tyndall effect

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CENGAGE CHEMISTRY ENGLISH-NCERT BASED EXERCISE-NCERT Exercise
  1. What role does adsorption play in heterogeneous catalysis?

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  2. Why is a absorption always exothermic ?

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  3. How are the colloidal solutions classified on the basis of physical st...

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  4. Discuss the effect of pressure and temperature on the adsorption of ga...

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

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  6. What is the difference between multimolecular and macromolecular collo...

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  7. What are enzymes?

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  8. State the observation when Table salt is added to hydrated ferric oxid...

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  9. What are emulsions ? What are their different types ? Give an example ...

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  10. How do emulsifying agents stabilise the emulsion?

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  11. Action of soap is due to emulsification and micellel formation. Commen...

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  12. Give four examples of heterogeneous catalysis.

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  13. What do you mean by activity and selectivity of catalysts?

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  14. Describe some features of catalysis by zeolites.

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  15. What is shape selective catalysis?

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  16. Explain the following terms: (i) Electrophoresis (ii) Coagulation ...

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  17. Give four uses of emulsions.

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  18. What are micelles? Given an example of micelle system.

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  19. Explain the terms with suitable examples: (i) Alcosol (ii) Aerosol (...

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  20. Comment on the statement that colloid is not a substance but a state o...

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