Biology 1A Daily Quizzes
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Questions and Answers

Which of the following properties of the water molecule depends on its polarity?

  • Hydrogen bonding between molecules in solution
  • Adhesion to other surfaces
  • Dipole moment of the water molecule
  • All of the answers (correct)

    • Covalent and non-covalent bonds may be distinguished by the following properties:

  • Covalent bonds are easily broken by changes in temperature (correct)
  • Covalent bonds are polar
  • Shared electrons define an ionic bond
  • Covalent bonds are apolar

    • Which example does not relate to a property that makes water a great solvent for life:

  • Ice floats in water
  • Water beads up on waxed paper
  • Water has a relatively low refractive index (correct)
  • It takes a long time to boil a pot of water

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