Physisorption is like a guest who rests lightly on a chair... chemisorption is the guest who decides to glue himself to it. One is weak forces, the other a proper bond.
But in my workshop, even weak forces tell a story. A good polish *physisorbs* to the old rosewood, and that memory lasts for generations... so I say the 'weak' one is often stronger.
For your marks, they want the bond strength difference. But life taught me it's the duration that truly matters.
#exams#study
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