Scientists found that cotton when treated with azo dyes exhibited a phenonemon. It seemed to keep the dye on the surface as well as in the bulk.
This phenomenon is called ___

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Solution

This phenomenon is called sorption. When both adsorption and absorption take place simultaneously as is the case here, we call it sorption.

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Scientists found that cotton when treated with azo dyes exhibited a phenonemon. It seemed to keep the dye on the surface as well as in the bulk. This phenomenon is called ___

This phenomenon is called sorption. When both adsorption and absorption take place simultaneously as is the case here, we call it sorption.

Scientists found that cotton when treated with azo dyes exhibited a phenonemon. It seemed to keep the dye on the surface as well as in the bulk.
This phenomenon is called ___