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

The most effective coagulating agent among the options for $Sb_2S_3$ sol is

For $As_2S_3$ sol, the most effective coagulating agent is

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.)

Which of the following is a lyophobic colloidal solution?

Which of the following statements is not correct?