Animal charcoal is used in decolourising liquids because it is a good

Which of the following curves is in accordance with the Freundlich adsorption isotherm?

Froth flotation process for the concentration of ores is an illustration of the practical application of

Adsorption of a gas follows the Freundlich adsorption isotherm. In the given plot,$x$ is the mass of gas adsorbed on mass $m$ of the adsorbent at pressure $p$. $\frac{x}{m}$ is proportional to:

Between water and an $NaCl$ solution,which will have a higher surface tension? (Effect of solute on surface tension)

Which of the following statements is incorrect for physical adsorption?