what are adsorption and absorption?give one suitable example each of the two catalysis.
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Answers
Answer:
Absorption:
It is a bulk phenomenon in which substances in medium is taken in to the bulk (whole volume) of another medium.
Absorption is a physical phenomenon.
The IUPAC definition is as follows: The process of one material (absorbate) being retained by another (absorbent) whole throughout the bulk of the absorbent.
Examples:
- Soaking up of spilled liquid by tissue paper
- Absorption of Carbon dioxide by Potassium Hydroxide.
Adsorption:
Adsorption is physico-chemical process associated with retention of adsorbate on the surface of the adsorbent. It's a surface phenomenon.
Examples:
- Adsorption of Salicylates by activated charcoal
- Adsorption of Hydrogen on the surface of metals like Platinum, Palladium and Nickel.:
Adsorption is the adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a surface. This process creates a film of the adsorbate on the surface of the adsorbent. This process differs from absorption, in which a fluid is dissolved by or permeates a liquid or solid, respectively
the process of a smaller group, country, etc., becoming part of a larger group or country
Absorption is defined as the process when one thing becomes part of another thing, or the process of something soaking, either literally or figuratively. An example of absorption is soaking up spilled milk with a paper towel.
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