Amphiphilic molecules are normally associated with

The surface tension of a soap solution is $30 \times 10^{-3} \, N/m$. The work done to increase the surface area of a soap film from $5 \, cm \times 5 \, cm$ to $10 \, cm \times 10 \, cm$ is:

The most effective coagulating agent for antimony sulphide sol is

$A$ clear solution which is again converted into a colloidal solution,the process is called:

Which of the following nanostructures includes nanotubes as an example?

Which one of the following is used as an eye lotion?