The Power of Water
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Questions and Answers

Which of the following best describes the polarity of a water molecule?

  • The oxygen atom has a full negative charge and the hydrogen atoms have a full positive charge.
  • The oxygen atom has a partial positive charge and the hydrogen atoms have a partial negative charge.
  • The oxygen atom has a full positive charge and the hydrogen atoms have a full negative charge.
  • The oxygen atom has a partial negative charge and the hydrogen atoms have a partial positive charge. (correct)

    • What is the main reason for water having a high melting and boiling point?

  • Water molecules form ionic bonds between them.
  • Water molecules form hydrogen bonds between them. (correct)
  • Water molecules form covalent bonds between them.
  • Water molecules form metallic bonds between them.

    • Which of the following is NOT a property of water?

  • Unusual and excellent solvent
  • High surface tension
  • High latent heat of vaporization
  • Low specific heat capacity (correct)

    • What is the charge distribution in a water molecule?

    <p>Oxygen atom has a partial negative charge and hydrogen atoms have a partial positive charge.</p> Signup and view all the answers

    What is the main reason for water being called the universal solvent?

    <p>Water can dissolve only polar substances.</p> Signup and view all the answers

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