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The enthalpy change for the adsorption process and micelle formation respectively are.

1.  H ads > 0 and  H mic < 0
2.  H ads > 0 and  H mic > 0
3.  H ads < 0 and  H mic > 0
4.  H ads < 0 and  H mic < 0

Correct answer:  H ads < 0 and  H mic > 0

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