Chemistry Of Life Vocabulary

18 Questions | Total Attempts: 84

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Chemistry Of Life Quizzes & Trivia

Tests knowledge of properties of water.


Questions and Answers
  • 1. 
    Substances that are _______ will turn litmus (pH) paper reddish orange.
    • A. 

      Acids

    • B. 

      Bases

    • C. 

      Neutral

  • 2. 
    _________ tests as an acid on the pH scale.
    • A. 

      Soapy water

    • B. 

      Lemon juice

    • C. 

      Pure water

  • 3. 
    Which part of an atom has a negative charge?
    • A. 

      Proton

    • B. 

      Neutron

    • C. 

      Electron

  • 4. 
    Which part of an atom has a positive charge?
    • A. 

      Proton

    • B. 

      Neutron

    • C. 

      Electron

  • 5. 
    Solutions with a pH of 7 are said to be ______________.
    • A. 

      Neutral

    • B. 

      Negative

    • C. 

      Polar

  • 6. 
    In the water molecule, the oxygen atom tends to keep the hydrogens' electrons a little closer.  This gives the oxygen end of the molecule a slightly ___________ charge.
    • A. 

      Heavy

    • B. 

      Positive

    • C. 

      Negative

  • 7. 
    Any molecule with a positive and a negative end is said to be ____________.
    • A. 

      Special

    • B. 

      Water

    • C. 

      Polar

  • 8. 
    Plants are able to bring water from their roots to all parts of the plant because of _____________  _____________.
    • A. 

      Special pumps

    • B. 

      Capillary action

    • C. 

      Surface tension

  • 9. 
    In the winter, fish and other creatures are able to survive without freezing at the bottom of a lake because ___________________.
    • A. 

      Warm water naturally sinks to the bottom of a lake.

    • B. 

      They eat foods to produce heat all winter.

    • C. 

      The frozen water (ice) floats, leaving the bottom of the lake protected against extremely cold air temperatures.

  • 10. 
    Water molecules are attractied to molecules of other substances because of a property called ___________.
    • A. 

      Cohesion

    • B. 

      Adhesion

    • C. 

      Covalent bonding

  • 11. 
    Ice is ______________________ liquid water.
    • A. 

      More dense than

    • B. 

      Less dense than

    • C. 

      Of the same density as

  • 12. 
    Water is able to ____________ many substances because water's polar molecules are attracted to other molecules and push their way into spaces to break up the substances.
    • A. 

      Create

    • B. 

      Freeze

    • C. 

      Dissolve

  • 13. 
    What is the only substance that can be found somewhere on Earth in all three states--solid, liquid, and gas?
    • A. 

      Water

    • B. 

      Nitrogen

    • C. 

      Oxygen

  • 14. 
    This photo illustrates a property of water called ________ because you can see how the water molecules cling to each other to make a perfect sphere.
    • A. 

      Adhesion

    • B. 

      Cohesion

    • C. 

      Surface tension

  • 15. 
    This photo shows the damaging result of acid rain on a forest.  Acid rain is a result of water's ability to ________________.
    • A. 

      Change its temperature quickly

    • B. 

      Dissolve other substances

    • C. 

      Expand when frozen

  • 16. 
    Which is an example of adhesion?
    • A. 

      Water boils at a very high temperature.

    • B. 

      Water molecules "stick" to each other.

    • C. 

      Water tends to creep up the sides of a test tube or graduated cylinder.

  • 17. 
    How does the pH of acid rain compare to the pH of distilled water?
    • A. 

      The pH of acid rain is higher than that of distilled water.

    • B. 

      The pH of acid rain is lower than that of distilled water.

    • C. 

      There is no difference in pH since both are water.

  • 18. 
    These white carnations changed color because
    • A. 

      Flowers are generally polar in nature

    • B. 

      They were able to convert the sun's energy to color

    • C. 

      Water traveled up to the flowers through capillary action

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