Identify the example of sorption from the fol | vedclass

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(A) Sorption is a phenomenon where both adsorption and absorption occur simultaneously. $1$. When charcoal is added to a methylene blue solution,the d

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Charcoal is added to methylene blue solution.

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(A) Sorption is a phenomenon where both adsorption and absorption occur simultaneously. $1$. When charcoal is added to a methylene blue solution,the dye molecules are adsorbed on the surface of the charcoal,while the solvent molecules are absorbed into the bulk of the charcoal. This is a classic example of sorption. $2$. Dipping chalk in ink involves both adsorption on the surface and absorption into the porous structure of the chalk,which is also an example of sorption. $3$. Hydrogen gas on platinum and oxygen on nickel are primarily examples of adsorption. Since both $A$ and $B$ represent sorption,in the context of standard chemistry textbooks,the addition of charcoal to methylene blue is the most frequently cited example.

Identify the example of sorption from the following.

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