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Question 890001
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Surface Chemistry: Adsorption basics MCQ

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Adsorption basicsEasyQuestion 890001

Question

The process by which a substance accumulates on the surface of another is called:
  1. A
    Adsorption
    Correct
  2. B
    Absorption
  3. C
    Desorption
  4. D
    Dissolution

Correct answer

Adsorption

Explanation

Adsorption: accumulation of a substance (adsorbate) on the surface of another (adsorbent). Absorption: bulk process where substance penetrates throughout (sponge soaking water). 'Adsorption on surface, absorption in bulk.'

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