Q .     Which one of the following is a case of
negative adsorption?

VIT 2015
A

Acetic acid solution in contact with animal charcoal.

B

Dilute `KCl` solution in contact with blood charcoal.

C

Concentration `KCl` solution in contact with blood charcoal.

D

`H_(2)` gas in contact with charcoal at `300 K`.

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