Surface Tension Quiz Question with Answer

31. Which is the effect of increase in the temperature on the surface tension of the liquid?

  1. it decreases
  2. it increases
  3. it remains the same
  4. None of the above

32. Which of the following factors affect the Surface Tension?

  1. Nature of liquid
  2. Area of Surface
  3. Both a and b
  4. None of the above

33. Which of the following is an application of surface tension?

  1. Use of soaps and detergents as cleansing agents
  2. Molecular structure can be elucidated by surface tension measurements through parachor values
  3. Surfactants are incorporated in preparations like toothpaste
  4. All of the mentioned

34. Which of the following is correct about Surface Tension?

  1. It is a scalar quantity
  2. It is a molecular phenomenon
  3. Its root cause is the electromagnetic forces
  4. All of the above

35. Why a small liquid drop is in spherical shape?

  1. due to surface tension
  2. due to low viscosity
  3. due to hydrogen bonding
  4. due to low density

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