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प्रश्न
Physical adsorption is ______ layered, whereas chemical adsorption is ______ layered.
रिक्त स्थान भरें
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उत्तर
Physical adsorption is multi-layered, whereas chemical adsorption is mono-layered.
Explanation:
Physical adsorption involves weak van der Waals forces, allowing several layers of adsorbate molecules to accumulate on the adsorbent surface. Chemical adsorption, on the other hand, involves strong valence bond forces that form a single layer of adsorbate molecules because further bonding is not possible beyond the first layer. Hence, physical adsorption is multi-layered and chemical adsorption is mono-layered.
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