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

Which of the following statements is not true with respect to chemisorption?

What is the application of a colloidal solution of silver bromide in gelatine?

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

Dust is a colloid.

Which of the following is not an example of a water-in-oil emulsion?

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

Soaps are emulsifying agents.