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What is zeta potential ?...

What is zeta potential ?

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The potential differences between the fixed layer and the diffused layer of opposite charges formed on the surface of the colloids called zeta potential or electro kinetic potential.
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SUBHASH PUBLICATION-SURFACE CHEMISTRY-Questions
  1. What is tyndall effect ? Explain.

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  2. What is Brownian movement ? What is the cause for it ?

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  3. What is zeta potential ?

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  4. What is an electrophoresis ? Explain.

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  5. What is coagulation or precipitation of colloids?

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  6. Mention the role of alum in the purification of drinking water ?

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  7. Name two methods by which a lyophillic sol can be coagulated.

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  8. Name the phenomenon/effect for the following. Colloidal particles ar...

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  9. Name the phenomenon/effect for the following. When electric potentia...

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  10. Name the phenomenon/effect for the following. Scattering of light b...

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  11. Give reason for the following. Brownian movement of colloidal partic...

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  12. Give reason for the following. Stability of colloids.

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  13. Give reason for the following. Brownian movement of colloidal partic...

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  14. As2S3 sol is negatively charged. Between sodium nitrate and aluminium ...

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  15. State hardy - Schulze rule.

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  16. What is tyndall effect?

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  17. In the coagulation of negative sol, arrange the following ions in the ...

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  18. For positive sol arrange the coagulation power of the following active...

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  19. What is oil dispersed in water (o/w) type emulsion ? Give example.

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  20. What is water dispersed in oil (w/o) type emulsion ? Give example.

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