Term 2

13 Questions

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Oxygen Quizzes & Trivia

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Questions and Answers
  • 1. 
    In this reaction, Iron has lost oxygen and is hence _______ whilst carbon has gained oxygen and is hence ________
    • A. 

      Reduced, oxidzed

    • B. 

      Oxidized, reduced

  • 2. 
    Copper has gained 2 electrons and is hence _______ whilst Magnesium has lost 2 electrons and is hence _______
    • A. 

      Oxidized, reduced

    • B. 

      Reduced, oxidized

  • 3. 
    Select things which increase rate of reaction
    • A. 

      Surface area

    • B. 

      Concentration

    • C. 

      Catalyst

    • D. 

      Temperature

    • E. 

      Light intensity

    • F. 

      Decrease solvent

    • G. 

      Increase sollute

  • 4. 
    At the annode, anions are oxidized depending on what they are. If there are halides, they are oxidized, and their gas is released. If not, _____ is formed
  • 5. 
    At the cathode, cation metals are being reduced. Hydrogen is always produced instead of the metal, unless the metal is low in the reactivity series, that is, copper, silver, gold and ______ in which case the metal is produced
  • 6. 
    Write the mnemonic for the reactivity series from high to low.