What is the dispersion of a liquid in another liquid called?

Which of the following is not a method to test the type of emulsion?

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

What is the role of Argyrol?

What is the colloidal solution of a gas in liquid called?

What are the dispersed phase and dispersion medium in alcohol respectively?

When hit by light, what happens to a colloidal mixture?

Which of the following colloids cannot be formed by direct mixing?