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Polarity of Water Molecules and Ice Floating Quiz
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Polarity of Water Molecules and Ice Floating Quiz

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Questions and Answers

Which of the following correctly describes the polarity of water molecules?

  • The oxygen and hydrogen sides are both slightly positive
  • The oxygen side is slightly positive and the hydrogen side is slightly negative (correct)
  • The oxygen and hydrogen sides are both slightly negative
  • The oxygen side is slightly negative and the hydrogen side is slightly positive

    • Why does ice float on water?

  • Due to cohesion
  • Because water shrinks when it freezes
  • Because ice has a higher density than water
  • Because water expands and creates air pockets when it freezes (correct)

    • What is the difference between cohesion and adhesion?

  • Cohesion is the attraction between molecules of the same substance, while adhesion is the attraction between different substances (correct)
  • Cohesion and adhesion are the same thing
  • Cohesion is the attraction between different substances, while adhesion is the attraction between molecules of the same substance
  • Cohesion and adhesion are both attractions between different substances

    • If water is added to cooking oil and mixed, will the oil dissolve?

    <p>No, because oil is nonpolar</p> Signup and view all the answers

    If blue litmus paper turned blue and red litmus paper turned blue, what can be concluded about the solution?

    <p>It is an acid</p> Signup and view all the answers

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