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Surface Tension
Quiz 3
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Q.1
When sugar is added to water,the surface tension changes as follows
Decreases
Increases
Not affected
Zero
Q.2
Molecular volume multiplied by the fourth root of surface tension of a liquid
Density
Viscosity
Parachor
Surface tension
Q.3
Method use to determine surface tension
Dunouy ring method
Capillary method
Cone and plate
Bubble pressure
Q.4
Tweens and spans
Decrease surface tension
Increase surface tension
Neutralize
None
Q.5
Which is defined as force per unit length existing at the interface between two immiscible liquids
Surface tension
Interfacial tension
Capillary action
None
Q.6
When there are no external forces,the shape of liquid drop is determined by
Surface tension of liquid
The density of liquid
The viscosity of liquid
The temperature of air
Q.7
Rain drops are spherical in shape because of
Capillary
Surface tension
Downward motion
Acceleration due to gravity
Q.8
Surface tension indicates
Adhesive forces
Cohesive forces
Both
None
Q.9
Interfacial tension indicates
Adhesive forces
Cohesive forces
Capillary forces
None
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