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Explain what is observed when: An electr...

Explain what is observed when: An electrolyte is added to hydrated ferric oxide sol.

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R G PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Why does physisorption decrease with the increase of temperature?

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  2. Give the decreasing order of flocculating power of the following ions ...

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  3. Explain what is observed when: An electrolyte is added to hydrated fer...

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  4. Explain what is observed when: Direct electric current is passed throu...

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  5. Mention any two factors which distinguish physisorption from chemisorp...

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  6. Why does physisorption decrease with the increase of temperature?

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  7. Define Electrophoresis?

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  8. Explain the terms Dialysis

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  9. Explain the terms with suitable examples: Aerosol

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  10. What are adsorption and absorption processes? Give one suitable exampl...

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  11. Define homogeneous and heterogeneous catalysis. Give one suitable exam...

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  12. Explain the following observations: Sky appears blue in colour.

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  13. Explain the following observations: Delta's are formed where river mee...

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  14. Explain the following observations Alum/ferric chloride solution is ...

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  15. Explain the following observations Mist or fog is formed in winter.

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  16. Mention two industrial applications of colloids.

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  17. When adsorption takes place

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  18. During physisorption if temperature is increased then.

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  19. When carbon monooxide reacts with hydrogen in presence of Ni catalyst ...

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  20. The maximum temperature at which enzyme works in human body is

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