Match the following List-$I$ (Dispersed Phase - Dispersion medium) with List-$II$ (Type of colloid):
| List-$I$ | List-$II$ |
| :--- | :--- |
| $(A)$ Solid - Liquid | $(I)$ Gel |
| $(B)$ Liquid - Liquid | $(II)$ Aerosol |
| $(C)$ Solid - Gas | $(III)$ Sol |
| $(D)$ Liquid - Solid | $(IV)$ Emulsion |

Which of the following statements is incorrect about colloidal solutions?

Critical Micelle Concentration $(CMC)$ for a soap solution is $1.5 \times 10^{-4} \ mol \ L^{-1}$. Micelle formation is possible only when the concentration of soap solution in $mol \ L^{-1}$ is:

Assertion: Animal skins are colloidal in nature.
Reason: Animal skin has positively charged particles.

Colloidal solution of arsenious sulphide can be prepared by:

The Tyndall effect is observed only when the following conditions are satisfied $:$
$1$. The diameter of the dispersed particles is much smaller than the wavelength of the light used.
$2$. The diameter of the dispersed particle is not much smaller than the wavelength of the light used.
$3$. The refractive indices of the dispersed phase and dispersion medium are almost similar in magnitude.
$4$. The refractive indices of the dispersed phase and dispersion medium differ greatly in magnitude.