Question

Butter is an emulsion of type :

• A. water in oil
• B. oil in water
• C. oil and oil
• D. none of the above

Answer 1

The correct option is A water in oil

Oil in water (o/w) type : In these emulsions, oil forms the dispersed phase and water, the dispersion medium. For example, milk, vanishing cream, etc. These are also called aqueous emulsions.
Water in oil (w/o) type : In these emulsions, water is in the dispersed phase and oil in the dispersion medium. For example, butter, cold cream etc. are also called oil emulsions.