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Class 8-9-10, JEE & NEET
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Give reason why a finely divided substance is more effective as an adsorbent.
Adsorption is a surface phenomenon. Therefore, adsorption is directly proportional to the surface area. A finely divided substance has a large surface area. Both physisorption and chemisorption increase with an increase in the surface area. Hence, a finely divided substance behaves as a good adsorbent.