Which of the following is not an example of lyophilic colloids?

Which of the following colloids is most stable?

Which of the following forces is involved in physical adsorption?

Which of the following is not an example of lyophobic colloids?

What isthe order of diameter of colloidal particles?

Which of the following statements is true with respect to the extent of physisorption?

How are colloidal solutions of gold prepared by different colours?

Which of the following statements is not correct?