What isthe order of diameter of colloidal particles?

How are colloidal solutions of gold prepared by different colours?

Which of the following diseases is cured using colloidal antimony?

In which of the following, the dispersed phase and medium can be separated by evaporation?

Soaps are emulsifying agents.

Which of the following statements is not correct?

By using what can the colloidal particles can be separated from particles of true solution?

Which of the following statements regarding emulsions is false?