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What happens when gelatin is mixed with ...

What happens when gelatin is mixed with gold sol ?

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Gold sol is lyophobic sol. Gelatin represents a loyophlic sol. It forms a protective coating around gold sol and checks in congulation when some electrolyte is added. For more details, consult section 24.
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DINESH PUBLICATION-SURFACE CHEMISTRY -SHORT ASNWER TYPE QUESTIONS
  1. In the case of chemisorption, why adsorption first increases and then ...

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  2. Colloidal particles of soap sol in water are

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  3. What happens when gelatin is mixed with gold sol ?

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  4. How does it become possible to cause artificial rain by spaying silver...

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  5. Gelatin which is a pwptide is added in ice cream. What can be its role...

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  6. What is collodion ?

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  7. Why do we add alum to purify water ?

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  8. What happens when aeledtric field is applied to colloidal solution ?

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  9. What causes Brownian motion in colloidal despersion ?

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  10. How do emulsifiers stabilise emulsion ? Name two emulsifiers.

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  11. Why are some medicines more effective in the colloidal form ?

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  12. Why does leather get hardened after tanning ?

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  13. Cottrell precipitator acts on which of the following principles ?

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  14. How will you distiguish between dispersed phase and dispersion medium ...

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  15. Hardy-schulze rule sates that :-

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  16. It is difficult to stop bleeding from a cut in human body at high alti...

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  17. Why is Fe(OH)(3) colloid positively charged when prepared by adding Fe...

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  18. Why do physisorption and chemisorption behave differently with rise in...

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  19. What happens when dialysis is prolonged ?

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  20. Why do we store silver chloride in dark coloured bottles?

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