physical pharmaceutics
Authored by Madhuri Gaikwad
Health Sciences
University
Used 11+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The boundary between water and gas is called as
liquid gas interface
surface
interface
miscible
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is surface tension defined as?
Density of a liquid
mass/weight of system
pressure exterted on surface
Force acting on the surface of a liquid
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Methods used measure surface tension except
Drop Count Method
Wilhelmy Plate Method
Thermal Conductivity Method
Capillary Rise Method
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of surface tension in the SI system?
kg/m²
N/m
Pa
centipoise
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
role of surfactant
increases surface tension
increases surface free energy
reduces vapor pressure
reduces surface tension
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the spreading coefficient (S) when spreading occurs?
S =-2
S = 0
S < 0
S = 1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Granules in tablets having
solid solid interface
solid air surface
surface
solid void interface
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