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ENDOTHERMIC/EXOTHERMIC

Quiz by Susan Coffey

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10 questions
Show answers
  • Q1
    In an exothermic reaction...
    energy is absorbed from the surroundings and the temperature increases
    energy is absorbed from the surroundings and the temperature of the surroundings decreases
    energy is released to the surroundings and the temperature of the surroundings increases
    30s
  • Q2
    In an endothermic reaction...
    energy is released to the surroundings and the temperature of the surroundings increases
    energy is absorbed from the surroundings and the temperature of the surroundings decreases
    energy is absorbed from the surroundings and the temperature increases
    30s
  • Q3
    When ammonium nitrate is added to water, an endothermic reaction occurs and..
    the temperature rises
    the temperature of the reaction mixture falls
    nothing changes
    30s
  • Q4
    Is melting an endothermic reaction ?
    Yes
    No
    maybe
    30s
  • Q5
    When freezing water to make ice, energy is released allowing the water molecules to come together and freeze. This is an example of what kind of reaction?
    endothermic
    temperature
    exothermic
    30s
  • Q6
    When water evaporates, heat is absorbed and used to turn the water into water vapor. This is an example of what kind of reaction?
    Endothermic
    temperature change
    Exothermic
    30s
  • Q7
    When lighting a candle, heat is released in the form of a flame. This is an example of what kind of reaction?
    Exothermic
    Endothermic
    change in temperature
    30s
  • Q8
    Sara mixed water and calcium chloride. The reaction made the water turn cloudy. The temperature of the reaction went from 23 degrees C to 52 degrees C. The reaction is endothermic.
    True
    False
    30s
  • Q9
    Definition of "endothermic reaction" is when a chemical reaction releases energy, usually in the form of heat.
    True
    False
    30s
  • Q10
    The chemical change when a fuel burns can be described as--
    an endothermic reaction
    an exothermic reaction
    a reversible reaction
    30s

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