Which substance is used as an adsorbent in chromatography?

Which gas will be adsorbed on a solid to a greater extent?

Give an example where physisorption changes to chemisorption with rise in temperature. Explain the reason for change.

$3 \, g$ of activated charcoal was added to $50 \, mL$ of acetic acid solution $(0.06 \, N)$ in a flask. After an hour,it was filtered and the strength of the filtrate was found to be $0.042 \, N$. The amount of acetic acid adsorbed (per gram of charcoal) is: .............. $mg$

Which of the following statements regarding adsorption is incorrect?

Which of the following statements is correct?