In shaving cream,the dispersion medium is

Identify the incorrect statement.

Give information about coagulation or precipitation.

If the dispersed phase is liquid and the dispersion medium is solid,the colloid is known as:

Among the following,the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient conditions is

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: