Question

Which from following is NOT an example of oil in water emulsion?

• A. Paint
• B. Butter
• C. Vanishing cream
• D. Milk

Hint:

Butter is a water in oil emulsion; milk, paint and vanishing cream are oil in water type.

Answer 1

The Correct Option is B

Step 1: Identify the continuous phase
Ask which liquid is the medium. In milk it is water, in butter it is fat.

Step 2: Conclude
Butter has fat as the medium, so it is W/O and is the exception. Option (B).

Final Answer:
Butter is W/O, option (B). \[ \boxed{\text{Butter}} \]