Though, theoretically the adsorption & desorption isotherms is expected to coinc

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Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption.

Options:

A . Lower than

B . Higher than

C . Same as

D . Either same or higher than

Answer: Option A

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