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What do you mean by a positive and negat...

What do you mean by a positive and negative catalyst ?

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SHARAM PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. The adsorption of a gas on the surface of the solid is generally accom...

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  2. What causes Brownian movement in colloidal solution ?

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  3. What do you mean by a positive and negative catalyst ?

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  4. Why are powdered substances more effective adsorbent than their crysta...

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  5. What is the difference between multi molecular and macro molecular col...

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  6. Give an example where physisorption changes to chemisorption with rise...

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  7. How does it become possible to cause artificial rain by spraying silve...

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  8. The coagulation of 100 ml of a colloidal solution of gold is completel...

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  9. 50 ml of standard gold sol needs 0.05 mg of gelatine for its protecti...

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  10. Explain the cleansing action of soaps.

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  11. Write the differences between true solution , colloidal solution and s...

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  12. Distinguish between lyophilic and lyophobic colloids.

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  13. Write a brief note on Coagulation.

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  14. What are the dispersed phase and dispersion medium in the following co...

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  15. What are the dispersed phase and dispersion medium in the following co...

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  16. What are the dispersed phase and dispersion medium in the following co...

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  17. What are the dispersed phase and dispersion medium in the following co...

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  18. What are the dispersed phase and dispersion medium in the following co...

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  19. Write the dispersed phase and dispersion medium in the followings : Wh...

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  20. Write the dispersed phase and dispersion medium in the followings : Fo...

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