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HDHS Trilogy C7 Checkpoint quiz: Energy changes

Quiz by Alexandra Gill

GCSE (AQA)
Combined Science: Trilogy
English National Curriculum

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11 questions
Show answers
  • Q1
    Which is a use for an endothermic reaction?
    A hand warmer
    A sports cold pack
    A self-heating can
    Burning an oil lamp
    60s
    5.5.1.1
  • Q2
    Look at the reaction profile.What does the letter X on this reaction profile represent?
    Question Image
    The product
    The energy taken in
    The activation energy
    The reactants
    60s
    5.5.1.2
  • Q3
    Which statement about exothermic reactions is true?
    Exothermic reactions take in energy.
    Exothermic reactions are used in chemical cold packs.
    The products have a lower energy content than the reactants.
    Exothermic reactions get colder
    60s
    5.5.1.1
  • Q4
    Which would be an example of an endothermic reaction?
    A reaction that caused a temperature increase of 7°C
    A reaction that caused a temperature decrease of 10°C
    A reaction that caused a temperature increase of 0.2°C
    A reaction with no temperature change
    60s
    5.5.1.1
  • Q5
    Which statement about endothermic reactions is true?
    The products in an endothermic reaction have a higher energy content than the reactants.
    The temperature stays constant during an endothermic reaction.
    Endothermic reactions release energy.
    Combustion is an example of an endothermic reaction
    60s
    5.5.1.1
  • Q6
    Which of these is an endothermic reaction?
    thermal decomposition
    combustion
    neutralisation
    respiration
    60s
    5.5.1.1
  • Q7
    Look at the energy profile shown. Which letter represents the activation energy?
    Question Image
    C
    D
    A
    B
    60s
    5.5.1.2
  • Q8
    300s
    5.5.1.3
  • Q9
    Question Image
    60s
    5.5.1.3
  • Q10
    Which statement about bond formation or breaking is correct?
    Bond breaking is endothermic and requires energy.
    Bond formation is exothermic and requires energy.
    Bond breaking is exothermic and releases energy.
    Bond formation is endothermic and releases energy.
    60s
    5.5.1.1
  • Q11
    300s
    5.5.1.3

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