Gas masks containing activated charcoal to remove poisonous gases from the atmosphere act on the principle of:

Which of the following represents the Freundlich adsorption isotherm equation?

Which of the following statements is $NOT$ true about absorption?

Which one of the following characteristics is not correct for physical adsorption?

Plot of $\log \left( \frac{x}{m} \right)$ against $\log P$ is a straight line inclined at an angle of $45^{\circ}$. When the pressure is $0.5 \ atm$ and Freundlich parameter $(K)$ is $10$,then the amount of solute adsorbed per gram of adsorbent is .......... $g$ $(\log 5 = 0.699)$.

Which of the following is true in respect of chemical adsorption?