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In physisorption adsorbent does not show...

In physisorption adsorbent does not show specificity for any particular gas because ……..

A

involved van der Waals' forces are universal

B

gases involved behave like ideal gases

C

enthalpy of adsorption is low

D

it is a reversible process.

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The correct Answer is:
A
involved van der Waals. forces are universal
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ICSE-SURFACE CHEMISTRY -EXERCISE (PART-I ( OBJECTIVE QUESTIONS )) (Complete the followings statements by selecting the correct alternative from the choices given :)
  1. Extent of adsorption of adsorbate from solution phase increases with .

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

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

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

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

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

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  7. On the basis of data below predict which of the following gases shows ...

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

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  9. At high concentration of soap in water, soap behaves as .

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  10. Which of the following will show Tyndall effect ?

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  11. Lyophobic sol can be protected a) by addition of oppositely charged ...

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  12. Freshly prepared precipitate sometimes gets converted to colloidal sol...

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

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

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  15. The values of colligative properties of colloidal solutions are of sma...

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

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

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  18. Which of the following curves is in accordance with Freundlich adsorpt...

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  19. Which of the following processes is not responsible for the presence o...

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  20. Which of the following phenomenon is applicable to the process shown i...

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