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Name the phenomenon/effect for the follo...

Name the phenomenon/effect for the following.
When electric potential is applied across the two platinum electrode dipping in colloidal solution , particles move towards one or the other electrodes.

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Electrophoresis
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Name the phenomenon/effect for the following : When an electrical potential is applied across two platinum electrodes dipping in colloidal solution, particles moves towards one or the other electrodes

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A current is established in a gas discharge tube where a sufficiently high potential difference is applied across the two electrodes in the tube. The gas ionises , electrons move toward positive terminal and positive ions toward the negative. What are the magnitude and sense of the current in a hydrogen discharge tube in which 3.1 xx 10^18 electrons and 1.1 xx 10^18 protons move past a X-sectional area of the tube each second ?

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SUBHASH PUBLICATION-SURFACE CHEMISTRY-Questions
  1. Name two methods by which a lyophillic sol can be coagulated.

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

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

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

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

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

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

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

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  9. State hardy - Schulze rule.

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  10. What is tyndall effect?

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

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

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

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

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  15. What are emulsions? Give an example of oil dispersed in water (o/w) ty...

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  16. Give four applications of colloids.

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  17. How is smoke precipitated using cottrel precipitator.

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  18. Give an example of an oil dispersed in water emulsion.

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

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  20. Give reason '' Potash alum is used in the clarification of water

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