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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 a lyophobic sol. Addition of gelatin stabilises the sol.
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MODERN PUBLICATION-SURFACE CHEMISTRY-NCERT FILE (SOLVED) (NCERT EXEMPLAR PROBLEMS) (SHORT ANSWER TYPE QUESTIONS)
  1. Why is chemisorption referred to as activated adsorption?

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  2. What type of solutions are formed on dissolving different concentratio...

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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 spraying silve...

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  5. Gelatin which is a peptide is added in ice-creams. What can be its ro...

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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 dispersion?

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  10. A colloid is formed by adding FeCl(3) in excess of hot water. What wil...

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

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

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  13. Why does leather get hardened after tanning ?

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  14. How does the precipitation of colloidal smoke take place in Cottrell p...

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

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  16. On the basis of Hardy-Schulze rule explain why the coagulating power o...

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  17. Why does bleeding stop by rubbing moist alum?

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

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  19. Why do physisorption and chermisorption behave differently with rise i...

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  20. What happens when dialysis is prolonged?

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