I scream, you scream, we all scream by Egantx7

Question 4

True ice cream begins, physically, as this type of colloidal mixture. In mixtures of this type, the dispersed material and medium are both liquid when mixed. When this mixture is then whipped into ice cream's final form, it becomes a form of foam. Identify this type of colloidal mixture which can describe oil and vinegar salad dressings.