33. An emulsion is a colloid of a A.Gas in a liquid B.Liquid in a liquid C.Liquid in a gas D.Gas in a solid
Answer: Option B Solution: An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable) owing to liquid-liquid phase separation. Emulsions are part of a more general class of two-phase systems of matter called colloids.