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10th
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11th
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Chemistry

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Kristen Vanderveen

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Chemistry

10th -

11thgrade

Classifying Reactions

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Kristen Vanderveen

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50 questions

50 questions

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1. Multiple Choice
1 minute
1 pt
The reaction XY ⟶ X + Y is an example of _____.
synthesis
decomposition
single replacement
double replacement
2. Multiple Choice
1 minute
1 pt
The reaction AB + CD ⟶ AD + CB is an example of _____.
synthesis
decomposition
single replacement
double replacement
3. Multiple Choice
1 minute
1 pt
The reaction A + B ⟶ AB is classified as a _____ reaction.
synthesis
decomposition
single replacment
double replacement
4. Multiple Choice
1 minute
1 pt
The reaction C + D ⟶ CD is an example of a _____ reaction.
synthesis
decomposition
single replacement
double replacement
5. Multiple Choice
1 minute
1 pt
The reaction AB + X ⟶ XB + A is classified as a _____ reaction.
synthesis
decomposition
single replacement
double replacement
6. Multiple Choice
1 minute
1 pt
The reaction AB + XY ⟶ XB + AY is an example of ______.
synthesis
decomposition
single replacement
double replacement
7. Multiple Choice
1 minute
1 pt
The reaction AY + BZ ⟶ AZ + BY is an example of ______.
synthesis
decomposition
single replacement
double replacement
combustion
8. Multiple Choice
1 minute
1 pt
What class of reaction best describes the equation below?
2HI ⟶ H₂ + I₂
synthesis
decomposition
single replacement
double replacement
9. Multiple Choice
1 minute
1 pt
What type of reaction is represented by the following equation?
AgNO₃ + NaCl ⟶ AgCl + NaNO₃
synthesis
combustion
single replacement
double replacement
decomposition
10. Multiple Choice
1 minute
1 pt
What class of reaction best describes the equation below?
CH₄ + O₂ ⟶ CO₂ + H₂O
single replacement
double replacement
decomposition
combustion
synthesis
11. Multiple Choice
1 minute
1 pt
What type of reaction is represented by the following equation?
C₆H₁₂O₆ + 6O₂ ⟶ 6CO₂ + 6H₂O
synthesis
decomposition
single replacement
double replacement
combustion
12. Multiple Choice
1 minute
1 pt
What class of reaction best describes the equation below?
FeS + HCl ⟶ H₂S + FeCl₂
synthesis
combustion
single replacement
double replacement
decomposition
13. Multiple Choice
1 minute
1 pt
Which category of reaction is best represented by the equation below?
Zn + CuSO₄ ⟶ ZnSO₄ + Cu
synthesis
combustion
single replacement
double replacement
decomposition
14. Multiple Choice
1 minute
1 pt
What class of reaction best describes the reaction
Mg + HCl ⟶ MgCl₂ + H₂
combustion
synthesis
decomposition
single replacement
double replacement
15. Multiple Choice
1 minute
1 pt
The chemical equation
2 NaI + Br₂ ⟶ 2 NaBr + I₂
_{is best described as a _______ reaction.}
synthesis
decomposition
single replacement
double replacement
16. Multiple Choice
1 minute
1 pt
The chemical equation
Cl₂ + 2 KBr ⟶ 2 KCl + Br₂
_{is best described as a _______ reaction.}
synthesis
decomposition
single replacement
double replacement
combustion
17. Multiple Choice
1 minute
1 pt
What class of reaction best describes the equation below?
MgCO₃⟶ MgO + CO₂
Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion
18. Multiple Choice
1 minute
1 pt
What type of reaction is represented by the following equation?
CaCO₃ ⟶ CaO + CO₂
Combustion
Decomposition
Single Replacement
Double Replacement
Synthesis
19. Multiple Choice
1 minute
1 pt
Which of the following chemical equations is an example of a combustion reaction?
2Al₂O₃ ⟶ 4Al + 3O₂
2C₅H₁₀ + 15O₂ ⟶ 10CO₂ + 10H₂O
2MgCl₂ + Na₂CO₃ ⟶ 2 NaCl + MgCO₃
K₂O + H₂O ⟶ 2 KOH
20. Multiple Choice
1 minute
1 pt
Which of the following chemical equations represents a combustion reaction?
CaCO₃ ⟶ CaO + CO₂
2H₂O₂ ⟶ 2H₂O + O₂
CH₄ + 2O₂ ⟶ CO₂ + 2H₂O
AgNO₃ + NaCl ⟶ AgCl + NaNO₃
21. Multiple Choice
1 minute
1 pt
Which of the following chemical equations is an example of a double replacement reaction?
2Al₂O₃⟶ 4Al + 3O₂
2C₅H₁₀ + 15O₂ ⟶ 10CO₂ + 10H₂O
2MgCl₂ + Na₂CO₃ ⟶ 2 NaCl + MgCO₃
K₂O + H₂O ⟶ 2 KOH
22. Multiple Choice
1 minute
1 pt
Which of the following chemical equations is an example of a double displacement reaction?
2Na + Cl₂ ⟶ 2NaCl
2H₂O₂ ⟶ 2H₂O + O₂
2H₂ + O₂ ⟶ 2H₂O
2NaOH + H₂SO₄ ⟶ Na₂SO₄ + 2H₂O
23. Multiple Choice
1 minute
1 pt
Which of the following is an example of a decomposition reaction?
2NaF ⟶ 2 Na + F₂
P₂O₅ + 3 H₂O ⟶ 2H₃PO₄
2FeCl₃ + 3Zn ⟶ 2Fe + 3ZnCl₂
C₆H₁₂O₆ + 6O₂ ⟶ 6CO₂ + 6 H₂O
24. Multiple Choice
1 minute
1 pt
Which of the following is an example of a single replacement reaction?
2NaF ⟶ 2 Na + F₂
P₂O₅ + 3 H₂O ⟶ 2H₃PO₄
2FeCl₃ + 3Zn ⟶ 2Fe + 3ZnCl₂
C₆H₁₂O₆ + 6O₂ ⟶ 6CO₂ + 6 H₂O
25. Multiple Choice
1 minute
1 pt
Which of the following is an example of a synthesis reaction?
Cl₂ + 2NaBr ⟶ 2NaCl + Br₂
MgO + CO₂⟶ MgCO₃
FeBr₃ + K₃PO₄ ⟶ FePO₄ + 3KBr
2Na₂O₂ ⟶ 2Na₂O + O₂
26. Multiple Choice
30 seconds
1 pt
Classify the following chemical reaction:

CaBr₂ + AgNO₃⟶ AgBr + Ca(NO₃)₂
synthesis
double replacement
single replacement
decomposition
27. Multiple Choice
30 seconds
1 pt
Classify the following reaction:
2 C₅H₅ + Fe ⟶ Fe(C₅H₅)₂
single displacement
double displacement
decomposition
synthesis
28. Multiple Choice
30 seconds
1 pt
Classify the following reaction:
2 RbNO₃ + BeF₂ ⟶ Be(NO₃)₂ + 2 RbF
single displacement
double displacement
decomposition
synthesis
29. Multiple Choice
1 minute
1 pt
Classify this reaction:
NO₂ →N₂+ O₂
Synthesis
Decomposition
Single replacement
Combustion
30. Multiple Choice
1 minute
1 pt
Classify this reaction:
2H₂ + O₂⟶2H₂O
synthesis reaction
decomposition reaction
single replacement reaction
double displacement reaction
31. Multiple Choice
1 minute
1 pt
Classify this reaction:
2KClO₃⟶ 2KCl + 3O_s
synthesis reaction
decomposition reaction
single replacement reaction
double displacement reaction
32. Multiple Choice
1 minute
1 pt
Classify:
2HCl + 2NaOH -----> NaCl + H₂O
synthesis reaction
decomposition reaction
single replacement reaction
double replacement reaction
33. Multiple Choice
30 seconds
1 pt
Classify this reaction:_,
CO₂ + H₂O ⟶ H₂CO₃
Decomposition
Single Replacement
Synthesis
Combustion
34. Multiple Choice
1 minute
1 pt
What class of reaction is this?
3KOH + H₃PO₄ ⟶ K₃PO₄+3H₂O
Synthesis
Decomposition
Single Replacement
Double Replacement
35. Multiple Choice
1 minute
1 pt
What class of reaction is this?
2Pb(NO₃)₂ ⟶ 2PbO + 4NO₂ + O₂
Synthesis
Decomposition
Single displacement
Decombustion
36. Multiple Choice
1 minute
1 pt
What class of reaction is this?
C₃H₆O + 4 O₂ ⟶ 3 CO₂ + 3 H₂O
single replacement
synthesis
combustion
decombustion
double displacement
37. Multiple Choice
30 seconds
1 pt
Which of the following is an example of a single replacement reaction?
2NaF ⟶ 2 Na + F₂
P₂O₅ + 3 H₂O ⟶ 2H₃PO₄
2FeCl₃ + 3Zn ⟶ 2Fe + 3ZnCl₂
C₆H₁₂O₆ + 6O₂ ⟶ 6CO₂ + 6 H₂O
38. Multiple Choice
30 seconds
1 pt
Which of the following is an example of a decomposition reaction?
2NaF ⟶ 2 Na + F₂
P₂O₅ + 3 H₂O ⟶ 2H₃PO₄
2FeCl₃ + 3Zn ⟶ 2Fe + 3ZnCl₂
C₆H₁₂O₆ + 6O₂ ⟶ 6CO₂ + 6 H₂O
39. Multiple Choice
30 seconds
1 pt
Which of the following chemical equations is an example of a double displacement reaction?
2Al₂O₃⟶ 4Al + 3O₂
2C₅H₁₀ + 15O₂ ⟶ 10CO₂ + 10H₂O
2MgCl₂ + Na₂CO₃ ⟶ 2 NaCl + MgCO₃
K₂O + H₂O ⟶ 2 KOH
40. Multiple Choice
30 seconds
1 pt
Which of the following chemical equations is an example of a combustion reaction?
2Al₂O₃ ⟶ 4Al + 3O₂
2C₅H₁₀ + 15O₂ ⟶ 10CO₂ + 10H₂O
2MgCl₂ + Na₂CO₃ ⟶ 2 NaCl + MgCO₃
K₂O + H₂O ⟶ 2 KOH
41. Multiple Choice
30 seconds
1 pt
Which of the following is an example of a synthesis reaction?
Cl₂ + 2NaBr ⟶ 2NaCl + Br₂
MgO + CO₂⟶ MgCO₃
FeBr₃ + K₃PO₄ ⟶ FePO₄ + 3KBr
2Na₂O₂ ⟶ 2Na₂O + O₂
42. Match
1 minute
1 pt
Match the following reactions to the particle level models
decomposition
double displacement
synthesis
combustion
single replacement
43. Match
1 minute
1 pt
Match the following reactions to the correct description
double displacement
decomposition
combustion
synthesis
single replacement
44. Multiple Choice
1 minute
1 pt
Classify this reaction:
NO₂ →N₂+ O₂
Synthesis
Decomposition
Single replacement
Combustion
Double displacement
45. Multiple Choice
30 seconds
1 pt
What type of reaction is illustrated above?
Synthesis
Decomposition
Single Replacement
Double Displacement
Combustion
46. Multiple Choice
30 seconds
1 pt
What type of reaction is illustrated above?
Synthesis
Decomposition
Single Replacement
Double Displacement
Combustion
47. Multiple Choice
30 seconds
1 pt
What type of reaction is illustrated above?
Synthesis
Decomposition
Single Replacement
Double Displacement
Combustion
48. Multiple Choice
1 minute
1 pt
Reactants combine to produce one product.
single replacement
double displacement
synthesis
combustion
49. Multiple Choice
1 minute
1 pt
One reactant breaks down to produce simpler substances.
synthesis reaction
decomposition reaction
single replacement reaction
double displacement reaction
50. Multiple Choice
1 minute
1 pt
A hydrocarbon burns in the presence of oxygen.
synthesis reaction
decomposition reaction
single replacement reaction
double displacement reaction
combustion
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