Balancing Equations Quiz
3 years ago
mrsimpson
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12 QuestionsShow answers
  • Question 1
    300 seconds
    Q. Balance this equation...
    HgO --> 2Hg + O2
    answer choices
    It is balanced 
    2HgO --> Hg + O2
    2HgO --> 2Hg + O2
  • Question 2
    300 seconds
    Q.

    Balance this equation...

    Sb2S3 + O2 --> Sb + SO2

    answer choices

    It is balanced

    Sb2S3 + 3O2 --> 2Sb + 3SO2

    Sb2S3 + O2 --> 2Sb + SO2

    What is Sb?

  • Question 3
    300 seconds
    Q.

    Which of the following is an unbalanced equation?

    answer choices

    CaCO3 --> CaO + CO3

    PbO2 + 2H2-->2Pb + H2O

    2Na+ 2H2O-->2NaOH + H2

    CS2 + 2O2 --> CO2 + 2SO2

  • Question 4
    300 seconds
    Q. Which of the following shows the correct way to balance the chemical equation?
    Fe + O2 -> Fe2O3
    answer choices
    4Fe + 3O2 -> 2Fe2O3
    2 Fe + 3O2 -> Fe2O6
    4 Fe + O6 -> 2Fe2O3
    None of the options are correctly balanced.
  • Question 5
    300 seconds
    Q.

    Which of the following correctly balances this equation:

    Sodium phosphate and potassium hydroxide will produce sodium hydroxide and potassium phosphate.

    answer choices

    1 Na3PO4+3 KOH

    --->

    3 NaOH + 1 K3PO4

    2 Na3PO4+2 KOH

    --->

    3 NaOH + 1 K3PO4

    1 S3PO4+3 SOH

    --->

    3 SOH + 1 K3PO4

    3 Na3P+3 KO2H

    --->

    3 NaH2O + 1 K3P

  • Question 6
    300 seconds
    Q.

    Which of the following is correctly balanced for the following reaction:

    Barium sulfide and platinum (II) fluoride will react to yield barium fluoride and platinum (II) sulfide

    answer choices

    BaS + PtF2 ---> BaF2 + PtS

    4 BaS + 2 PtF2 ---> BaF2 + PtS

    BaSO3 + 2 PtFl2 ---> 2 BaFl2 + 2 PtSO3

    BaS + Pt2F ---> BaF2 + PtS2

  • Question 7
    300 seconds
    Q.

    What coefficient belongs with hydrochloric acid?

    Mg + ___ HCl → MgCl2 + H2

    answer choices

    1

    2

    3

    4

  • Question 8
    60 seconds
    Q. Balance this equation:
     2Li + Cl2 -> LiCl
    answer choices
    2Li + Cl2 -> 4LiCl2
    2Li + Cl2 -> LiCl2
    2Li + Cl2 -> 2LiCl
  • Question 9
    300 seconds
    Q.

    This picture of a football is here for no reason.

    Click CONTINUE to move on.

    answer choices

    CONTINUE

    I don't follow directions.

    What if I don't like football?

    Is this for a grade?

  • Question 10
    180 seconds
    Q.

    Which coefficients will correctly balance this equation:

    _Al +_HCl --> _H2 +_AlCl3

    answer choices

    2, 6, 3, 2

    it is already balanced

    4, 12, 3, 4

    2, 1, 4, 5

  • Question 11
    180 seconds
    Q.

    Choose the coefficients that will correctly balance this equation.

    _CH4 + _O2 --> _CO2 + _H2O

    answer choices

    1,2,1,1

    2,1,2,1

    1,2,1,2

    0,2,0,2

  • Question 12
    30 seconds
    Q. What is the left part of a chemical equation called...
    H2 + O --> H2O
    answer choices
    Reactants
    Products 
    Yields 
    Chemical Equation 
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