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Question
When we apply moisturizer on our skin, what kind of adsorption can we call it? Assume the moisturizer doesn't evaporate from the skin surface.
When we apply moisturizer on our skin, what kind of adsorption can we call it? Assume the moisturizer doesn't evaporate from the skin surface.
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Solution
The correct option is B Negative adsorption
This happens to be a case of negative adsorption.
Let's look at the definition first. When the concentration of the adsorbate is less on the surface relative to its concentration in the bulk, it is called negative adsorption.
So in this case, the moisturizer is more in the bulk of the skin rather than on the surface although some still is on the surface since we assumed that it doesn't evaporate away.
This happens to be a case of negative adsorption.
Let's look at the definition first. When the concentration of the adsorbate is less on the surface relative to its concentration in the bulk, it is called negative adsorption.
So in this case, the moisturizer is more in the bulk of the skin rather than on the surface although some still is on the surface since we assumed that it doesn't evaporate away.
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