Top 50+ Solved Deformation of Solid MCQ Questions Answer
Q. A wetting agent is included in the formulation of a suspension, particularly when the suspendedparticles:
a. are hydrophobic
b. are more denser than the vehicle
c. are water soluble
d. have lesser interfacial tension
Q. For a flocculated suspension, one of the following criterion is satisfied or established
a. High inter-particle repulsions
b. strong inter-particle attractions
c. weak inter-particle attractions
d. weak inter-particle repulsions
Q. In stokes’ relationship, a parameter that greatly changes the velocity of settling is:
a. density of the liquid
b. density of particle
c. radius of the particle
d. viscosity of the medium
Q. The protamine-zinc insulin suspension is prepared by a method viz.,:
a. altered pH precipitation
b. dispersion method
c. double decomposition
d. organic solvent precipitation
Q. Methyl cellulose is a polymer, which is of a type:
a. anionic
b. amphilytic
c. cationic
d. non-ionic
Q. For a flocculated suspension the degree of flocculation is observed to be one. The sedimentationvolume is also 1 (one). These values, respectively, indicate the limits:
a. lower and lower
b. lower and upper
c. upper and lower
d. upper and upper
Q. For an ideal suspension, the sedimentation volume should be:
a. equal to one
b. less than one
c. more than one
d. zero
Q. In case of suspensions, all statements below are true EXCEPT that:
a. it contains a suspending agent
b. it does not include a preservative
c. it is an injectable preparation
d. it is an oral preparation
Q. In practice, an acceptable suspension should have particles:
a. of nearly 0.1 micrometer
b. which can be readily re-dispersible after they settle
c. which should form a cake after settling
d. should not settle
Q. For oral administration of a suspension to a patient, which one of the factors is the most important?
a. acceptable color and odour
b. polyumorphism
c. specific surface area
d. viscosity
Q. Which one of the following properties is applicable to suspensions?
a. Brownian movement
b. laminar flow
c. rapid rate of sedimentation
d. strokes’ law
Q. Suspended particles become flocculated in a suspension, because:
a. attractive forces between particles are appreciable
b. particles are packed closely
c. repulsive forces between particles are appreciable
d. vehicle rejects the particles
Q. Structured vehicle is included in the formulation of a suspension, in order to:
a. decrease the interfacial tension
b. prevent the caking of the sediment
c. prevent the sedimentation of particles
d. reduce the size by chemical me
Q. In the preparation of a structured vehicle, which one of the following substances is used?
a. bismuth subnitrate
b. ethyl alcohol
c. glycerin
d. methyl cellulose
Q. Which type of colloidal material is used commonly in the preparation of a structured vehicle?
a. association
b. hydrophilic
c. hydrophobic
d. inorganic