Unit 4a Basic Knowledge Quiz

10 Questions | Total Attempts: 64

SettingsSettingsSettings
Unit 4a Basic Knowledge Quiz

A quiz on the basic knowledge required in this unit.


Questions and Answers
  • 1. 
    The process of adding more solvent to a solution is called [Blank].
  • 2. 
    Molality = moles / kg of ______
    • A. 

      Solute

    • B. 

      Solute

    • C. 

      Sevilla

    • D. 

      Solvent

  • 3. 
    The units used for "change in boiling point" or "change in freezing point" must be in kelvin.
    • A. 

      True

    • B. 

      False

  • 4. 
    Kb is called the ___________ constant.
    • A. 

      Boilingoscopic

    • B. 

      Ebulliarscopic

    • C. 

      Ebullioscopic

    • D. 

      Bulloscopic

  • 5. 
    What is the cryoscopic constant for water?
    • A. 

      18.6

    • B. 

      1.86

    • C. 

      186

    • D. 

      0.186

  • 6. 
    We add salt to water on the roads so that the freezing point increases.
    • A. 

      True

    • B. 

      False

  • 7. 
    Osmosis is the movement of a ________ from an area of low concentration to an area of ______ concentration.
    • A. 

      Solvent; high

    • B. 

      Low; solute

    • C. 

      High; low

    • D. 

      Solvent; low

    • E. 

      Solute; solvent

    • F. 

      Solution; high

  • 8. 
    Osmotic pressure is the pressure required to stop the process of osmosis from occuring.
    • A. 

      True

    • B. 

      False

  • 9. 
    Moles = _____ / molecular mass
    • A. 

      Moles

    • B. 

      Molar mass

    • C. 

      Mass

    • D. 

      Mr Canning