Quiz - Mixtures And Solutions

20 Questions | Total Attempts: 30

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Quiz - Mixtures And Solutions

This is a quiz on lessons 16 and 17. For the most part, the questions are in the same order as the text. There are 20 questions in the quiz. Good luck.


Questions and Answers
  • 1. 
    Elements are made of only one type of_________________. 
    • A. 

      Atom

    • B. 

      Proton

    • C. 

      Neutron

    • D. 

      Electron

  • 2. 
    Compounds form when atoms ________ together to form a substance with properties different than the individual atoms. 
    • A. 

      Bond

    • B. 

      Glue

    • C. 

      Peanut butter

    • D. 

      Jelly

  • 3. 
    Compounds form when atoms bond together CHEMICALLY.  Mixtures form when two or more substances are _________________ mixed together. 
    • A. 

      Physically

    • B. 

      Chemically

    • C. 

      Electrically

    • D. 

      Silly puddy

  • 4. 
    This is a free point for you.  Select ALL of the checkboxes to receive your free point. 
    • A. 

      Red

    • B. 

      Blue

    • C. 

      Yellow

    • D. 

      Panterrrrra!

  • 5. 
    Once created, mixtures generally can NOT be separated. 
    • A. 

      True

    • B. 

      False

  • 6. 
    When you separate a mixture, the individual pieces are different than they were originally. 
    • A. 

      True

    • B. 

      False

  • 7. 
    A _______________________ is a homogeneous mixture that is mixed so well that it seems to be a pure substance. 
    • A. 

      Solution

    • B. 

      Suspension

    • C. 

      Compound

    • D. 

      Colloid

  • 8. 
    If you look closely at a heterogeneous _____________________ you can clearly see the different substances that make it up. 
    • A. 

      Mixture

    • B. 

      Solution

    • C. 

      Compound

    • D. 

      Atom

  • 9. 
    A colloid is mixture that can look like a solution or a suspension.  Actually, they SEEM homogeneous, but are actually heterogeneous.  Which of the following is a colloid? 
    • A. 

      Cream

    • B. 

      Saltwater

    • C. 

      Sugar water

    • D. 

      Pepsi cola

  • 10. 
    Which of the following could be a method for separating a mixture? 
    • A. 

      Flotation

    • B. 

      Evaporation

    • C. 

      Sifting

    • D. 

      Filtration

    • E. 

      Using a magnet

    • F. 

      Evaporation

    • G. 

      Peanut butter

  • 11. 
    Solutions can be solids, liquids, or gasses. 
    • A. 

      True

    • B. 

      False

  • 12. 
    Water is called the universal solvent because it dissolves most (but not all) substances.  A solvent is a substance into which another substance __________________. 
    • A. 

      Dissolves

    • B. 

      Evaporates

    • C. 

      Boils

    • D. 

      Disappears

  • 13. 
    A ____________________ is a substance that dissolves into another substance to form a solution. 
    • A. 

      Solute

    • B. 

      Solvent

    • C. 

      Pig

    • D. 

      Saline

  • 14. 
    Which of the following can INCREASE the rate of solubility.  Check all that apply.  
    • A. 

      Heating

    • B. 

      Stirring

    • C. 

      Changing the size of the particles

  • 15. 
    Why does crushing the solute increase the rate of solubility? 
    • A. 

      It increases the surface area so that there is more surface to dissolve

    • B. 

      It increases the temperature of the solution

    • C. 

      Actually, crushing the solute doesn't increase the surface area

    • D. 

      Coconut

  • 16. 
    Which of the following dissolve in water? 
    • A. 

      Salt

    • B. 

      Sugar

    • C. 

      Baking powder

    • D. 

      Gold

    • E. 

      Copper

    • F. 

      Food dye

  • 17. 
    Sugar dissolves more easily in warm tea than in iced tea. 
    • A. 

      True

    • B. 

      False

    • C. 

      I don't know

    • D. 

      Nelisa likes Mr. Aulow more than she lets on.

  • 18. 
    If Vanessa added a spoonful of sand to a gallon of water and stirred it for 3 hours, the sand would eventually dissolve. 
    • A. 

      False

    • B. 

      True

    • C. 

      Someone should apologize to CJ for stepping on his sand castle and hurting his hand

    • D. 

      Blue-green algae

  • 19. 
    If you left a Starburst in a bowl of water for 3 months and then stirred it for 5 minutes, it would probably dissolve. 
    • A. 

      True

    • B. 

      False

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