Pharmacy Technician Certification Exam Practice Questions Practice Question
A pharmacy technician mixes an oil-based liquid with a water-based liquid to prepare a compound. Upon standing,the two liquids separate into distinct layers in the bottle. This is an example of:
Correct Answer: D
Rationale: When an oil-based liquid and a water-based liquid are mixed and subsequently separate into distinct layers, this demonstrates immiscibility. Immiscible liquids do not mix due to differences in polarity, causing them to form separate layers.
Inertia (A) refers to the resistance of an object to change its state of motion, which is unrelated to mixing liquids. Levigation (B) involves reducing particle size using a liquid, not mixing two different liquid phases. Geometric dilution (C) is a technique used to mix powders of different quantities, not applicable here as it pertains to solids rather than liquids.
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