alleryThe substance that gathers on the surface is the:
AColloid
BAdsorbate
CAdsorbent
DCatalyst
Answer & Solution
Correct answer: B. Adsorbate
1. Two names are needed, one for each partner.
2. The species that concentrates at the surface is the adsorbate.
3. The solid it settles on is the adsorbent.
_Source: syllabus Chemistry Part I, Chapter 5, Surface Chemistry._
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