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Heating curves

Quiz by Neel

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11 questions
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  • Q1
    What is the process called when a substance changes state from solid to liquid?
    Melting
    Sublimation
    Evaporation
    Condensation
    30s
  • Q2
    What is the name for the process in which a substance changes from a gas to a liquid?
    Vaporization
    Freezing
    Condensation
    Sublimation
    30s
  • Q3
    What is the phase change process in which a substance changes directly from a solid to a gas without passing through the liquid phase?
    Melting
    Condensation
    Evaporation
    Sublimation
    30s
  • Q4
    What is the term used to describe the process in which a substance changes from a liquid to a gas?
    Condensation
    Solidification
    Vaporization
    Deposition
    30s
  • Q5
    What is the term for the process in which a substance changes from a gas to a solid without becoming a liquid?
    Condensation
    Sublimation
    Deposition
    Evaporation
    30s
  • Q6
    What is the term for the process in which a substance changes from a gas to a liquid?
    Sublimation
    Freezing
    Vaporization
    Condensation
    30s
  • Q7
    In a heating curve graph, what phase transition is represented by a flat horizontal line?
    Boiling
    Melting/Freezing
    Vaporization/Condensation
    Sublimation
    30s
  • Q8
    What does the slope of the heating curve graph represent?
    Phase transition
    Rate of temperature change
    Heat energy
    Specific heat capacity
    30s
  • Q9
    What happens to the kinetic energy of particles during a phase transition represented by a flat horizontal line in a heating curve graph?
    It fluctuates
    It increases
    It decreases
    It remains constant
    30s
  • Q10
    What is the purpose of a heating curve graph?
    To show how the temperature of a substance changes as heat is added
    To demonstrate chemical reactions
    To measure volume changes
    To determine density
    30s
  • Q11
    What is the significance of the flat regions in a heating curve graph?
    They represent changes in specific heat capacity
    They indicate phase transitions are occurring
    They mark the beginning and end of heating processes
    They show variations in heat energy
    30s

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