Chemistry

9th -

12thgrade

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Balancing Equations

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15 questions

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  • Multiple Choice
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    1 minute
    1 pt
    Is the equation balanced?: 2H2O + O2 --> 4MgO + 3Fe
    Yes
    No
  • Multiple Choice
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    3 minutes
    1 pt
    Balance this equation
    _Al +_HCl --> _H+_AlCl3
    2, 6, 3, 2
    it is already balanced
    4, 12, 3, 4
    2, 1, 4, 5
  • Multiple Choice
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    3 minutes
    1 pt
    Balance this equation-
    __P+ __O--> __P2O3
    it is already balanced
    2, 1, 3
    1, 2, 3
    1, 3, 2
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