12th Class Chemistry Surface Chemistry / सतह रसायन

  • question_answer 46)
        Which of the following is an example of absorption? (a) Water on silica gel                 (b) Water on calcium chloride (c) Hydrogen on finely divided nickel  (d) Oxygen on metal surface

    Answer:

                        (b) Absorption means penetration of adsorbate molecules into the bulk of the adsorbent e.g., water on calcium chloride. When water is spread over calcium chloride, water get penetrate into bulk of the calcium chloride.


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