VITEEE 2015 Paper

Section: Chemistry

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Question : 66 of 120

Marks: +1, -0

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

Acetic acid solution in contact with animal charcoal.
Dilute KCl solution in contact with blood charcoal.
Concentration KCl solution in contact with blood charcoal.
H2 gas in contact with charcoal at 300 K.

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