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The reactivity series and displacement

9th grade (Year 10 in England) · 10 questions · Common Core: NGSS.HS-PS1-2 · England: KS3 Chemistry: Chemical reactions, KS4 Combined Science: Chemical changes

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  1. Question 1

    Iron is extracted from iron oxide by heating it with carbon. Why does this work?

    • A. Carbon is more reactive than iron, so it removes the oxygen
    • B. Iron is more reactive than carbon
    • C. Heat alone splits iron oxide
    • D. Carbon is a metal

  2. Question 2

    Reactivity series (most reactive first): potassium, sodium, calcium, magnesium, aluminium (aluminum), zinc, iron, copper, silver, gold. If silver is added to a solution of magnesium sulfate, will a displacement reaction happen?

    • A. yes
    • B. no

  3. Question 3

    What does "oxidation" mean in terms of oxygen?

    • A. gain of hydrogen
    • B. gain of oxygen
    • C. loss of oxygen
    • D. melting

  4. Question 4

    Reactivity series (most reactive first): potassium, sodium, calcium, magnesium, aluminium (aluminum), zinc, iron, copper, silver, gold. If magnesium is added to a solution of copper sulfate, will a displacement reaction happen?

    • A. yes
    • B. no

  5. Question 5

    What does "oxidation" mean in terms of oxygen?

    • A. loss of oxygen
    • B. melting
    • C. gain of hydrogen
    • D. gain of oxygen

  6. Question 6

    Reactivity series (most reactive first): potassium, sodium, calcium, magnesium, aluminium (aluminum), zinc, iron, copper, silver, gold. If aluminium (aluminum) is added to a solution of zinc sulfate, will a displacement reaction happen?

    • A. yes
    • B. no

  7. Question 7

    Iron is extracted from iron oxide by heating it with carbon. Why does this work?

    • A. Carbon is a metal
    • B. Heat alone splits iron oxide
    • C. Carbon is more reactive than iron, so it removes the oxygen
    • D. Iron is more reactive than carbon

  8. Question 8

    Reactivity series (most reactive first): potassium, sodium, calcium, magnesium, aluminium (aluminum), zinc, iron, copper, silver, gold. If silver is added to a solution of iron sulfate, will a displacement reaction happen?

    • A. yes
    • B. no

  9. Question 9

    Why is gold found as the pure metal in the ground?

    • A. It is a non-metal
    • B. It is very reactive
    • C. It is magnetic
    • D. It is very unreactive

  10. Question 10

    Reactivity series (most reactive first): potassium, sodium, calcium, magnesium, aluminium (aluminum), zinc, iron, copper, silver, gold. If copper is added to a solution of calcium sulfate, will a displacement reaction happen?

    • A. yes
    • B. no

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Answer key: The reactivity series and displacement

  1. 1. A. Carbon is more reactive than iron, so it removes the oxygen

  2. 2. B. no

  3. 3. B. gain of oxygen

  4. 4. A. yes

  5. 5. D. gain of oxygen

  6. 6. A. yes

  7. 7. C. Carbon is more reactive than iron, so it removes the oxygen

  8. 8. B. no

  9. 9. D. It is very unreactive

  10. 10. B. no