Adsorption is multilayer in case of

For the Freundlich adsorption isotherm,a graph of $\log \frac{x}{m}$ is plotted against $\log P$. The slope of the line and its $y$-axis intercept,respectively,correspond to:

The equation for Freundlich adsorption isotherm is

The Langmuir adsorption isotherm is deduced using the assumption that:

Which one of the following statements is not correct?

What is the difference between adsorbent and adsorbate?