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Surface Chemistry — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistrySurface Chemistry2 Marks
Question
Define chemical adsorption? Give example.
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Answer

Chemical adsorption is a process in which gas molecules are held to the surface by formation of chemical bonds. e.g., Adsorption of $O _2$ on tungsten, Adsorption of $H _2$ on nickel.

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