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Check for understanding for a lesson on heating curve

Quiz by Hassanali Thurakkal

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10 questions
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  • Q1
    What happens to a substance during the melting phase on a heating curve?
    The substance changes from liquid to gas.
    The substance changes from solid to liquid.
    The substance remains a solid.
    The substance cools down.
    30s
  • Q2
    During which part of the heating curve does a substance boil?
    During the solidification phase.
    During the boiling phase.
    During the freezing phase.
    During the condensation phase.
    30s
  • Q3
    What does the flat part of the heating curve represent?
    Decrease in temperature.
    A phase change.
    Increase in temperature.
    A chemical reaction.
    30s
  • Q4
    What occurs to the temperature of a substance during the heating phase before it begins to melt?
    The temperature decreases.
    The temperature stays the same.
    The temperature increases.
    The temperature freezes.
    30s
  • Q5
    What occurs at the melting point on a heating curve?
    The liquid turns into a solid.
    The gas condenses into a liquid.
    The temperature stops changing.
    The solid begins to turn into a liquid.
    30s
  • Q6
    What does the heating curve indicate about the energy of the substance as it heats up?
    The energy decreases.
    The energy stays the same.
    The energy disappears.
    The energy of the substance increases.
    30s
  • Q7
    What happens to the energy of a substance during the freezing phase?
    The substance gains energy.
    The substance explodes.
    The substance loses energy.
    The energy remains constant.
    30s
  • Q8
    What can you conclude about the temperature of a substance during the phase change from liquid to gas?
    The temperature fluctuates wildly.
    The temperature decreases rapidly.
    The temperature remains constant while it changes phase.
    The temperature increases steadily.
    30s
  • Q9
    Which of the following best describes what happens during the condensation phase on a heating curve?
    The substance changes from solid to gas.
    The substance remains a gas.
    The substance changes from gas to liquid.
    The substance cools down without changing state.
    30s
  • Q10
    When does a substance reach its boiling point on a heating curve?
    When the temperature remains constant while it changes from liquid to gas.
    When the substance is solid.
    When the substance is cooling down.
    When the temperature is increasing.
    30s

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