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Categorises following cases of adsorpti...

Categorises following cases of adsorption in to physisorption and chemisorption. a. Adsorption of `N H_3` by charcoal. b. Adsorption of `H_2` on `P t`. c. Adsorption of `CO` by `Ni`.

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a.Physical adsorption b.Chemical adsorption c.chemical adsorption
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