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Chemistry, Science

9th -

12thgrade

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Chemical Reactions

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13 questions

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  • 1. Multiple Choice
    3 minutes
    1 pt
    The number of atoms you begin with in a chemical reaction ...
    must be the same as the number of  atoms you end with
    must be an even number
    can be different to the number you finish with
    changes depending on how much energy is formed
  • 2. Multiple Choice
    3 minutes
    1 pt

    Which type of reaction is:

    2 NH3 + H2SO4 → (NH4)2SO4

    Synthesis
    Decomposition
    Single Displacement
    Double Displacement
  • 3. Multiple Choice
    3 minutes
    1 pt
    Which type of reaction is: C2H4 + 3 O2 → 2 CO2 + 2 H2O
    Synthesis
    Decomposition
    Single Displacement
    Combustion
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