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Which one of the following is an incorre...

Which one of the following is an incorrect statement for physisorption

A

It is a reversible process

B

It requires less heat of absorption

C

It requires activation energy

D

It takes place at low temperature

Text Solution

Verified by Experts

The correct Answer is:
C
Physisorption is a process in which the particles of adsobate are held to the surface of adsorbent by physical force hence does not requires activation energy .
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A2Z-SURFACE CHEMISTRY-Section D - Chapter End Test
  1. Which one of the following is an incorrect statement for physisorption

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  2. Which of the following is contributed towards the extra stability of l...

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  3. Which of the following methods is used for sol destruction?

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  4. The decomposition of hydrogen peroxide can be slowed by addition of a ...

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  5. The ability of ion to bring about coagulation of a given collidal solu...

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  6. Which one of the following is an incorrect statement for physisorption

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  7. Which is not colloidal?

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  8. Which one of the following is not a surfactant?

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  9. Size of colloidal particles is

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  10. Which of the following electrolytes is most effective in the coagulati...

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  11. A catalyst is used in a reaction to

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  12. Which of the following is not represented by sols?

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  13. Example of an intrinsic colloid is

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  14. colloidal solution of arsenious sulphide is coagulated by

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  15. Gold number gives

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  16. Point out the false statement

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  17. which of the following does not contain a hydrophobic structures.

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  18. The function of gum arabic in the preparation of Indian ink is

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  19. Which of the following gases is adsorbed most by activated charcoal?

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  20. Spherical gold paricles of radius 10nm, then the number of gold partic...

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  21. Which of the following forms cationic micelles above certain concentra...

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