Top 80+ Solved Colloidal Dispersion MCQ Questions Answer
Q. The following statement is NOT appropriate for Molecular dispersion
a. Shows tyndall effect
b. Does not scatter light
c. Diffusion rate is rapid
d. Does not settle on ultracentrifugation
Q. The following statement is true for Colloidal dispersion
a. Diffusion rate is slow
b. Impermeable across semipermeable membrane
c. Shows tyndall effect
d. All of above
Q. In _____Colloids, dispersed particles have a greater affinity to the dispersion medium.
a. Lyophilic colloids
b. Lyophobic colloids
c. Association colloids
d. Molecular colloids
Q. Dispersion of rubber or polystyrene in benzene or ethyl methyl ketone is referred to as________
a. Hydrophilic colloids
b. Lyophilic colloids
c. Lyophobic colloids
d. Hydrophobic colloids
Q. Lyophobic colloids can be prepared by
a. Chemical method
b. Peptization method
c. Electric arc method
d. All of above
Q. A .......... is a mixture in which one substance of microscopically dispersed insoluble particles issuspended through another substance.
a. Suspension
b. Colloid
c. Emulsion
d. None of the above
Q. Few colloids are translucent because of the ..
a. Tyndall effect
b. Splitting effect
c. Scattering
d. None of the above
Q. The comparatively fast sedimentation rate of the dispersed phase produced by means of gravity orother forces this is characteristic of..............
a. Colloidal dispersion
b. Coarse dispersion
c. Both of the above
d. None of the above
Q. The molecule in the molecular dispersion phase have size.............
a. Less than 10 nm
b. More than 1 nm
c. Less than 1 nm
d. More than 10 nm
Q. The .......... colloids have strong attraction towards solvents.
a. Lyophilic
b. Lyophobic
c. Associated
d. None of the above
Q. .......... is the method accountable for the development of stable dispersion of colloidal particles indispersion medium.
a. Coacervation
b. Peptization
c. Flocculation
d. Coagulation
Q. The phenomenon which involves separation of macromolecular solutions into two liquid layers iscalled as.........
a. Liquid separation
b. Coagulation
c. Flocculation
d. Coacervation
Q. …..is directly proportional to the molecular weight of lyophilic colloid.
a. Solubility
b. Turbidity
c. Density
d. None of the above