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Activated charcoal is used to remove col...

Activated charcoal is used to remove colouring matter from pure substance, it works by

A

absorption

B

adsorption

C

adsorption and absorption

D

none of above

Text Solution

Verified by Experts

The correct Answer is:
B
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OP TANDON-ADSORPTION AND CATALYSIS-OBJECTIVE QUESTIONS (LEVEL-A)
  1. Although nitrogen does not adsorb on surface at room temperature, it a...

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  2. What is the equation form of Langmuir adsorption isotherm undre high p...

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  3. What is an adsorption isotherm? Describe Freundlich adsorption isother...

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  4. Which of the following statements is incorrect regarding physisorption...

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  5. Active charcoal is a good catalyst because :

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  6. According to the adsorption theory of catalysis the speed of the react...

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  7. The Langmuir adsorption isotherm is deduced using the assumption.

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  8. The efficiency of an enzyme to catalyse a reacrtion is due to its capa...

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  9. Activated charcoal is used to remove colouring matter from pure substa...

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  10. According to Freundlich adsorption isotherm, which of the following i...

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  11. 3g of actived chacoal was added to 50mL of acetic acid solution (0.06N...

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  12. Which of the following curves is in accordance with freundlich adsorpt...

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  13. For a linear plot of log (x//m) versus log [ in a Freundlich adsorptio...

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  14. Which of the following statements is incorrect regarding physisorption...

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  15. Reactions in zeolites catalyst depends on :

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  16. Which is not the correct statement in respect of chemisorption ?

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

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  18. Hydrogenation of vegeyable oils in presence of finely divided Nickel a...

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  19. Which of the following is present in gas mask ?

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  20. Which one of the following statement is correct ?

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