Which of the following may have large particle sizes in a two-phase system?
Ointment
Paste
Magma
Levigation
Magma
Rationale: Magmas are gel-like, with large particle sizes, in a two-phase system. An ointment is a highly viscous or semisolid substance used on the skin. A paste is a semisolid preparation. Levigation is the process of grinding a powder into a fine powder, with or without using moisture.
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