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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