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प्रश्न
Why is it important to have clean surface in surface studies?
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उत्तर
It is important to have clean surface as it facilitates the adsorption of desired species.
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संबंधित प्रश्न
Write any two characteristics of chemisorption.
Why are powdered substances more effective adsorbents than their crystalline forms?
Distinguish between the meaning of the terms adsorption and absorption. Give one example of.
What is the difference between physisorption and chemisorption?
Give reason why a finely divided substance is more effective as an adsorbent.
How does chemisorption vary with temperature?
Answer in one sentence:
Name type of adsorption in which vander Waals focres are present.
Which of the following is an example of physisorption?
Which among the following is true for chemisorption?
Extent of physisorption of a gas increases with ______.
Physical adsorption of a gaseous species may change to chemical adsorption with ______.
Why do physisorption and chemisorption behave differently with rise in temperature?
Give an example where physisorption changes to chemisorption with rise in temperature. Explain the reason for change.
What is the role of diffusion in heterogenous catalysis?
What is the role of adsorption in heterogenous catalysis?
Which of the following statements is incorrect regarding physisorptions?
