Liquid State MCQ

Test your knowledge with important Liquid State MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Liquid State MCQs at Bissoy

• Higher the viscosity, the slower the liquid flows.
  ক

  True

  খ

  False
• The surface tension of ___________ at critical temperature.
  ক

  one

  খ

  zero

  গ

  two

  ঘ

  three
• A water drop is spherical in shape due to ____________
  ক

  Viscosity

  খ

  Poise

  গ

  Surface tension

  ঘ

  Reflection
• If the angle of contact between the liquid and container is 90 degrees then? (C is the cohesive and A is the Adhesive force)
  ক

  C > A

  খ

  C = A

  গ

  C < A

  ঘ

  C is not equal to A
• What is S.I. unit of Surface Tension?
  ক

  Dyne/meter

  খ

  Newton-meter

  গ

  Newton/meter

  ঘ

  Dyne-meter
• Path in liquid in which layers do not meet each other is _______
  ক

  laminar flow

  খ

  tubular flow

  গ

  viscosity

  ঘ

  straight path
• In a liquid, the force required to maintain the flow of layers is 5N, velocity gradient in du/dx, area of contact is 20m2. Then what is the value of viscosity?
  ক

  6.25 dz/du

  খ

  0.15 dz/du

  গ

  0.2 dz/du

  ঘ

  0.25 dz/du
• Viscosity of liquid _________ with rise in temperature.
  ক

  Increases

  খ

  Decreases

  গ

  Remains constant

  ঘ

  Is independent
• 1 poise = ____________
  ক

  0.1 kgm-1s-1

  খ

  1 kgm-1s-1

  গ

  10 kgm-1s-1

  ঘ

  100 kgm-1s-1
• What is the boiling point at pressure 1 atm known as?
  ক

  Standard boiling point

  খ

  Normal boiling point

  গ

  Van der Waal boiling point

  ঘ

  Saturated boiling point