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5 Written questions

5 Matching questions

  1. supersaturated solution
  2. unsaturated solution
  3. vapor pressure lowering
  4. molality
  5. Tyndall effect
  1. a Contains more dissolved solute than a saturated solution at the same temperature.
  2. b The scattering of light by colloidal particles.
  3. c The lowering of vapor pressure of a solvent by the addition of a nonvolatile solute to the solvent.
  4. d Contains less dissolved solute for a given temperature and pressure than a saturated solution; has further capacity to hold more solute.
  5. e The ratio of the number of moles of solute dissolved in one kilogram of solvent.

5 Multiple choice questions

  1. Describes two liquids that can be mixed together but separate shortly after you cease mixing them.
  2. A physical property of a solution that depends on the number, but not the identity, of the dissolved solute particles.
  3. The temperature difference between a solution's boiling point and a pure solvent's boiling point.
  4. Describes a substance that cannot be dissolved in a given solvent.
  5. A type of heterogeneous mixture whose particles settle out over time and can be separated from the mixture by filtration.

5 True/False questions

  1. Brownian motionThe jerky, random, rapid movements of colloid particles that results from collisions of particles of the dispersion medium with the dispersed medium.


  2. colloidHetergeneous mixtures containing particles larger than solution particles but smaller than suspension particles that are categorized according to the phases of their dispersed particles and dispersing mediums.


  3. miscibleDescribes two liquids that are soluble in each other.


  4. concentrationThe ratio of the number of moles of solute in solution to the total number of moles of solute and solvent.


  5. mole fractionThe process of surrounding solute particles with solvent particles to form a solutions; occurs only where and when the solute and solvent particles come in contact with each other.