Which of the following statements is $NOT$ correct?
- APhysisorption occurs at very low temperatures and chemisorption occurs at all temperatures.
- BThe extent of chemisorption decreases with an increase in temperature,while the extent of physisorption increases.
- CChemisorption is irreversible,while physisorption is reversible.
- DThe activation energy of desorption in physisorption is very low,while the activation energy in chemisorption is very high.
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