alleryIn absorption, against adsorption, the substance is spread:
AAround the edge
BAlong one face
CThrough the bulk
DOver the surface
Answer & Solution
Correct answer: C. Through the bulk
1. Adsorption raises the concentration only at the surface.
2. Absorption is different in exactly this respect.
3. There the substance is uniform throughout the bulk.
_Source: syllabus Chemistry Part I, Chapter 5, Surface Chemistry._
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