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Decoloriization of coloured solution by ...

Decoloriization of coloured solution by animal charcoal is an example of:

A

sorption

B

desorption

C

absorption

D

adsorption

Text Solution

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The correct Answer is:
D
adsorption
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What is activated charcoal ?

ICSE-SURFACE CHEMISTRY -EXERCISE (PART-I ( OBJECTIVE QUESTIONS )) (Complete the followings statements by selecting the correct alternative from the choices given :)
  1. In the adsorption of oxalic acid by activated charcoal, the activated ...

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  2. The rate of chemisorption :

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  3. Decoloriization of coloured solution by animal charcoal is an example ...

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  4. Gel is:

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  5. Out of the following, hydrophobicsol is:

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  6. Milk is an example of:

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  7. Smoke is a dispersion of:

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  8. An emulsifier is an agent which:

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  9. Which of the following processes does not occur at the interface of ph...

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  10. At the equilibrium position in the process of adsorption .

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  11. Which of the following interfaces cannot be obtained ?

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  12. The term 'sorption' stands for .

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  13. Extent of physisorption of a gas increases with .

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

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

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

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

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

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

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

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