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)

is a  form of instability in aqueous and non-aqueous gels, in which  the dispersion medium is squeezed out in droplets .Question 11AnswerImbibitionRapid Sedimentation Syneresis SwellingCaking

Small or large molecules dispersed in an aqueous liquid to which a gelling agent has been added are called gels or jellies. True False

Which of the following statements are TRUE regarding Gels? Select all that apply. A. Gels usually need to be shaken to liquefy them for pouring because they may form a thixotrope. B. A gel is made of plastic. C. Single phase gels have macromolecules uniformly distributed throughout a liquid D. Two phase gels have floccules of small particles and are also called magmas

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

A substance that is solute in a colloidal stage.AerogelDispersed phaseDispersed mediumBoth B and C