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Describe the cleaning action of soap....

Describe the cleaning action of soap.

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Describe the cleansing action of soap.

Both soap and detergent are some type of salts. What is the difference between them? Describe in brief the cleansing action of soap. Why do soaps not form lather in head water? List two problems that arise due to the use of detergents instead of soaps .

During the cleaning action of soap -part of soap dissolves in the dirt and encapsulates to form micelle

What is the difference between soaps and detergements ? State in brief the cleaing action of soaps is removing an oily spot from a fabric. Why are soaps not very effective whene a fabric is washed in hard water ? How is this problem resolved ? .

What is the difference between the molecules of soaps and detergents, chemically ? Explain the cleansing action of soaps. or How many groups and periods are there in the modern periodic table ? How do the atomic size and metallic character of elements vary as we move :

PRADEEP-SURFACE CHEMISTRY -SHORT ANSWER QUESTIONS (III. COLLOIDS)
  1. What is zeta potential ? Explain briefly.

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  2. Define the following and give an example of each (a) Coagulation (b)...

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  3. Colloids have many characteristic properties : Among these, Tyndall ef...

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  4. Heat of adsorption is greater for chemisorption than physiorption. Why...

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  5. What is collodion ?

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  6. Differentiate between peptization and coagulation.

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  7. Explain the following with example : (a) Kraft temperature (b)Coagu...

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  8. What are protective colloids? How are the colloids stabilised? Explain...

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  9. What are emulsions ? Write two applications of emulsification.

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  10. What are emulsion ? How will you prepare a stable emulsion ? What are ...

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  11. Describe the cleaning action of soap.

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  12. What are the two classes of emulsions? Give one example of each class....

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  13. Mention two uses of each of colloids and emulsions.

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  14. Distinguish between true solution and colloidal solution of the same c...

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  15. How are the following sols in water prepared ? (i) Sulphur " "...

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  16. Explain why delta are formed where river and sea water meet.

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  17. Same substance can act both as colloid and crystalloid. (T/F)

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  18. Artificial rain is caused by spraying salt over clouds. (T/F)

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  19. When a beam of light is passed through a colloidal sol, the path of th...

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  20. (a) Give one main difference between lyophilic anc lyophobic colloids....

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