Balancing Chemical Equations

7 Questions  I  By Ch3mboi
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Chemical Quizzes & Trivia
A brief quiz to see if you know how to balance chemical equations.

  
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Questions and Answers

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  • 1. 
    ___ CH4 + ___O2 --> ___CO2 + ___H2O
    • A. 

      1 2 1 2

    • B. 

      2 1 2 1

    • C. 

      3 1 2 4

    • D. 

      1 2 3 4

    • E. 

      4 3 1 2


  • 2. 
    1.     ______ C            +             ______ O2             -->            ______ CO2 write the correct prefixes below

  • 3. 
    1.     ______NH3             -->           ______N2             +            ______H2
    • A. 

      3 1 2

    • B. 

      2 1 3

    • C. 

      1 2 3

    • D. 

      3 2 1

    • E. 

      1 3 2


  • 4. 
    ______ CH­2O            +             ______ HCl             -->            ______ CH4O             +            ______ Cl2
    • A. 

      1 2 1 1

    • B. 

      2 1 1 1

    • C. 

      1 1 2 1

    • D. 

      1 1 1 2

    • E. 

      1 2 1 1


  • 5. 
    1.     ______ H2S             +            ______ O2          -->             ______ H2O          +         ______ S
    • A. 

      2 1 2 2

    • B. 

      2 2 1 2

    • C. 

      2 2 2 1

    • D. 

      1 2 2 2

    • E. 

      3 1 2 2


  • 6. 
    What law says we need to have balanced chemical equations?
    • A. 

      The law of constant attention

    • B. 

      The law of constant comments

    • C. 

      The second law of thermodynamics

    • D. 

      The law of conservation of mass

    • E. 

      The rule of law


  • 7. 
    What would happen if we did not follow the law of conservation of mass when taking apart and then putting together a car for repair?
    • A. 

      We would have extra pieces left over at the end.

    • B. 

      Something would fall off the car soon enough.

    • C. 

      A fuel leak might leave a trail of gasoline along the highway.

    • D. 

      The car might blow up.

    • E. 

      All of the above.


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