Write any two characteristics of chemisorption.

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(N/A) The two characteristics of chemisorption are as follows:
$1$. It is highly specific in nature and occurs only if there is a possibility of chemical bond formation between the adsorbent and the adsorbate.
$2$. It is irreversible in nature,as the adsorbate molecules are held by strong chemical bonds and cannot be easily removed.

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