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What is occlusion?...

What is occlusion?

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The adsorption of gases on the surface of metals is called occlusion.
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MODERN PUBLICATION-SURFACE CHEMISTRY-REVISION EXERCISE (VERY SHORT ANSWER QUESTIONS )
  1. Freundlich adsorption isotherm is

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  2. What will be the Freundlich's adsorption isotherm equation at high pre...

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  3. What is occlusion?

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  4. Name the type of emulsion to which milk belongs to.

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  5. Name the type of emulsion to which butter belong to.

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  6. Which of the two, adsorption or absorption, is surface phenomenon?

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  7. Given one example each of lyophobic sol and lyophilic so .

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  8. Give one example each of sol and gel.

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  9. Given one example eacg of 'oil water' and 'water oil' emulsion.

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  10. Out of BaCl(2) and KCl, which is more effective in causing coagulation...

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  11. Write one similarity between physisorption and chemisorption.

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  12. The enzymes which convert glucose into ethyl alcohol is

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  13. Define positive and negative catalysis.

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  14. The dispersed phase and dispersion medium in soap lather are respectiv...

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  15. What is differnece between an emulsion and a gel ?

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  16. Which will be adsorbed more readily on the surface of charcoal and why...

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  17. Of physisorption and chemisorption which type of adsorption has a high...

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  18. Give an example of 'shape-selective catalyst'.

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  19. What is the effect of temeperature on chemisorption?

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  20. Why is adsorption always exothermic ?

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