Melting Point Determination Quiz
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Questions and Answers

What is the purpose of determining the melting point of a substance?

  • To identify the substance (correct)
  • To measure the volume of the substance
  • To determine the color of the substance
  • To calculate the density of the substance
  • What does the melting point of a pure organic compound typically exhibit during the heating process?

  • Sharp melting range (correct)
  • Random temperature fluctuations
  • No change in temperature
  • Broad melting range
  • At what temperature does the first crystal start to melt for a solid organic compound?

  • Melting point (correct)
  • Boiling point
  • Freezing point
  • Room temperature
  • What does a wide melting point range (higher than 2 °C) indicate for an organic compound?

    <p>Impurity</p> Signup and view all the answers

    What does the change from solid to liquid state at the melting point represent?

    <p>Transition from ordered arrangement to a more random arrangement</p> Signup and view all the answers

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