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Colloid: Quiz

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Question 1: In physics, colloids are an interesting model system for ________.
MatterAtomElectronPhoton

Question 2: Hydrocolloids are employed in food mainly to influence texture or ________ (e.g., a sauce).
RheologyFluid dynamicsSurface tensionViscosity

Question 3: A hydrocolloid has colloid particles spread throughout water, and depending on the quantity of water available that can take place in different states, e.g., ________ or sol (liquid).
SiliconeGelHair gelGel (disambiguation)

Question 4: For example, ________, a reversible hydrocolloid of seaweed extract, can exist in a gel and sol state, and alternate between states with the addition or elimination of heat.
AgarAgar plateFungusGrowth medium

Question 5: In general, different phases have different charge affinities, so that a ________ forms at any interface.
Double layer (interfacial)ElectrophoresisColloidLiquid

Question 6: Such an effect is specifically searched for with tailor-made ________ developed to increase the workability of concrete and to reduce its water content.
PhthalatePlasticizerPolycarbonatePolyvinyl chloride

Question 7: In humans, both the thyroid gland and the intermediate lobe (pars intermedia) of the ________ contain colloid follicles.
Posterior pituitaryPineal glandPituitary glandHypothalamus

Question 8: Foundations of Colloid Science, ________, 1989
Oxford University PressLondonUnited KingdomJohn Fell (clergyman)

Question 9: [10][11] These spherical particles precipitate in highly siliceous pools in ________ and elsewhere, and form these highly ordered arrays after years of sedimentation and compression under hydrostatic and gravitational forces.
United KingdomBarbadosAustraliaCanada

Question 10: Colloidal Dispersions, Cambridge, 1989 ________
Oxford University PressAuthorized King James VersionCambridge University PressEngland







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