Which of the following nanomaterials has two dimensions less than $100 \ nm$?

Which is $NOT$ an example of a macromolecular colloid?

Molar conductivity $\left(\Lambda_m\right)$ of an aqueous solution of sodium stearate,which behaves as a strong electrolyte,is recorded at varying concentrations $(c)$ of sodium stearate. Which one of the following plots provides the correct representation of micelle formation in the solution? (Critical micelle concentration $(CMC)$ is marked with an arrow in the figures.)

Curdling of milk is caused due to the formation of which of the following acids by the bacteria?

An emulsifier is added to an emulsion to:

In a colloidal solution,both the dispersed phase and dispersion medium are in liquid phase. What is the type of colloid?