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During activation of charcoal -...

During activation of charcoal -

A

`O_(2)` is adsorbed on charcoal

B

Moisture is absorbed on charcoal

C

Pre adsorbed material is desorbed

D

Charcoal is covered with inert gas

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-SURFACE CHEMISTRY-OBJECTIVE EXERCISE - 1 (ADSORPTION)
  1. The higher the critical temperature of the gas

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  2. Freundlich adsorption isotherm is given by the expression (x)/(m)=kp^(...

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  3. The plot of x/m versus temperature at constant pressure is called

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  4. Which of the following is adsorbed to a maximum extent on a given amou...

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  5. Which statement is correct about physical adsorption?

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  6. When 0.1M CH(3)COOH solution is shaken with activated charcoal and the...

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  7. The phenomenon of simultaneous absorption and adsorption is called -

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  8. (x)/(m)=KC^(1//n) where C = Concentration of a m solution, x = wt of a...

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  9. A graph drawn between 'log.(x)/(n)’ and log p on 'X' and 'Y' axis resp...

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  10. Which of the following is not correct

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  11. Which of the following can not act as an adsorbent?

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  12. Which can adsorb maximum amount of H(2)?

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  13. During activation of charcoal -

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  14. The energy of molecules present on the surface of a substance is -

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  15. Which of the following is not correct

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  16. The correct combination from the following given statements about chem...

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  17. The correct statements from the following about physical adsorption ...

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  18. The following are some statements about adsorption of solutes from the...

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  19. The following are some statements about physical adsorption A) invol...

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  20. {:("Concentration process","Name of process"),("A) Hydrogen on finely"...

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