GCSE-chemistry Unit 1 - Energetics

7 Questions | Total Attempts: 690

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GCSE Quizzes & Trivia

Questions and Answers
  • 1. 
    Chemical reactions where heat energy is given out are described as _________.
  • 2. 
    Chemical reactions where heat energy is taken in are described as _________.
  • 3. 
    A calorimeter is a device used to measure temperature change, which can be used to show energy change (delta H)
    • A. 

      True

    • B. 

      False

  • 4. 
    In an exothermic reaction...
    • A. 

      The heat energy is being given out, therefore energy is lost

    • B. 

      The heat energy is being given out, therefore energy is gained

  • 5. 
    Endothermic reactions can be shown as...
    • A. 

      +ΔH

    • B. 

      -ΔH

  • 6. 
    The making of bonds is...
    • A. 

      Exothermic

    • B. 

      Endothermic

  • 7. 
    The breaking of bonds is...
    • A. 

      Exothermic

    • B. 

      Endothermic

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