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What are lyophobic colloids? Give one ex...

What are lyophobic colloids? Give one example.

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R G PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Define shape-selective catalysis. Give an example of such catalyst.

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  2. What is observed when a beam of light is passed through a colloidal so...

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  3. What are lyophobic colloids? Give one example.

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  4. Liquid-liquid sols are known as.

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  5. Fill in the blanks: The curve showing the variation of absorption with...

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  6. Explain the following terms giving one example in each case. Emulsific...

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  7. Explain the following terms giving one example in each case. Coagulati...

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  8. Describe the following terms. Dialysis

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  9. Define Electrophoresis?

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  10. Give one example of biochemical catalyst.

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

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

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

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

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

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

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  17. Define Electrophoresis?

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  18. Explain the terms Dialysis

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  19. Explain the terms with suitable examples: Aerosol

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

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