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प्रश्न
Differentiate between adsorbtion and absorption.
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उत्तर
Adsorption is a surface phenomenon that causes the accumulation of molecules of a substance at the surface of a solid or liquid rather than in the bulk. In adsorption, the substance gets concentrated at the surface only. It does not penetrate through the surface to the bulk of the solid or liquid. For example, when a chalk stick is dipped into an ink solution, only its surface becomes coloured.
On the other hand, the process of absorption is a bulk phenomenon. In absorption, the absorbed substance gets uniformly distributed throughout the bulk of the solid or liquid.
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संबंधित प्रश्न
What is the effect of temperature on chemisorption ?
Give reasons for the following observations :
Powdered substances are more effective adsorbents.
How does chemisorption vary with temperature?
Which of the following is true about chemisorption?
Powdered substances are more effective adsorbents than their crystalline forms because ____________.
Extent of physisorption of a gas increases with ______.
Why is it important to have clean surface in surface studies?
Chromatography is based on:-
Adsorption play no role in:-
Which of the following statements is incorrect regarding physisorptions?
