Match the terms to the correct description or definition. - coarse dispersion - fine dispersions - colloidal dispersions - dispersed phase - dispersing phase A. includes particles 0.5-10µm B. dispersion medium, the vehicle, analogous to the water in an O/W emulsion C. particles much smaller than the others, includes gels and magmas D. includes the suspensions and emulsions, particles 10-50µm E. the substance distributed in the vehicle, analogous to the oil in an O/W emulsion

Match the following terms related to gels with the correct definition or description. - imbibition - swelling - syneresis - thixotropy - xerogel A. the dispersion medium is expressed in droplets and the gel shrinks B. taking up a liquid with an increase in volume C. a gel changes from semisolid to liquid without a change in volume or temperature D. taking up liquid without increasing in volume E. a gel from which the liquid has been removed, leaving only the framework (the dispersed phase and any solids in the dispersion medium)

Measures of Dispersion

Which of the following define or describe an emulsion? Select all answer choices that apply A. the internal phase is the dispersed phase B. none of these are correct so this is the answer C. a liquid dispersed throughout another liquid in which it is not soluble or with which it is not miscible D. the external phase is the vehicle or the continuous phase

Dispersion can also be defined as degree of _____Select one:a. spreadb. diversityc. scatternessd. all of these

Which of the following terms meets this description? "A __________ is a non-Newtonian fluid. In the pharmaceutical industry, these can be difficult for high-speed bulk handling equipment because the fluid will thicken on standing in a container and will need to be agitated to cause it to liquefy for pumping or pouring." A. thixotrope B. mixenmope C. two-phase gel D. plaster or paste