Reactions Review
Authored by Penny TellierFox
Science
9th - 12th Grade
Used 1+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The reaction XY ⟶ X + Y is an example of _____.
synthesis
decomposition
single replacement
double replacement
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The reaction AB + X ⟶ XB + A is classified as a _____ reaction.
synthesis
decomposition
single replacement
double replacement
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What class of reaction best describes the equation below?
2HI ⟶ H2 + I2
synthesis
decomposition
single replacement
double replacement
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What class of reaction best describes the equation below?
CH4 + O2 ⟶ CO2 + H2O
single replacement
double replacement
decomposition
combustion
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What class of reaction best describes the equation below?
MgCO3 ⟶ MgO + CO2
Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion
6.
MULTIPLE CHOICE QUESTION
30 sec • 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
7.
MULTIPLE CHOICE QUESTION
30 sec • 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
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