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Extent of physisorption of a gas increas...

Extent of physisorption of a gas increases with ………. .

A

increase in temperature.

B

decrease in temperature.

C

decrease in surface area of adsorbent.

D

decrease in strength of van der Waals forces.

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decrease in temperature.
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MODERN PUBLICATION-SURFACE CHEMISTRY-NCERT FILE (SOLVED) (NCERT EXEMPLAR PROBLEMS )(MULTIPLE CHOICE QUESTION (TYPE-I))
  1. Which of the following interface cannot be obtained?

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  2. The term 'sorption' stands for ……… .

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  3. Extent of physisorption of a gas increases with ………. .

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  4. Extent of adsorption of adsorbate from solution phase increases with ...

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  5. Which one of the following is not applicable to the phenomenon of adso...

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  6. Which of the following is not a favourable condition for physical adso...

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  7. Physical adsorption of a gaseous species may change to chemical adsorp...

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  8. In physisorption adsorbent does not show specificity for any particula...

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  9. Which of the following is an example of absorption?

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  10. On the basis of data given below predict which of the following gases ...

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  11. In which of the following reactions heterogeneous catalysis is involve...

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  12. At high concentration of soap in water, soap behaves as …… .

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  13. Which of the following will show Tyndall effect?

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  14. Write a method by which lyophobic colloids can be coagulated.

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  15. By which method precipitate is converted into colloids?

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  16. Which of the following electrolytes will have maximum coagulating valu...

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  17. A colloidal system having a solid substance as a dispersed phase and a...

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  18. The values of colligative properties of colloidal solution are of smal...

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  19. Arrange the following diagrams in correct sequence of steps involved i...

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  20. Which of the following process is responsible for the formation of del...

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