WorksheetsHW 7.2 - Classifying Reactions
Total questions: 15
Worksheet time: 45mins
The reaction XY ⟶ X + Y is an example of _____.
synthesis
decomposition
single replacement
double replacement
The reaction A + B ⟶ AB is classified as a _____ reaction.
synthesis
decomposition
single replacment
double replacement
The reaction AB + X ⟶ XB + A is classified as a _____ reaction.
synthesis
decomposition
single replacement
double replacement
The reaction AB + XY ⟶ XB + AY is an example of ______.
synthesis
decomposition
single replacement
double replacement
What class of reaction best describes the equation below?
2HI ⟶ H2 + I2
synthesis
decomposition
single replacement
double replacement
What class of reaction best describes the equation below?
Zn + H2S ⟶ ZnS + H2
synthesis
combustion
single replacement
double replacement
What class of reaction best describes the equation below?
CH4 + O2 ⟶ CO2 + H2O
single replacement
double replacement
decomposition
combustion
What class of reaction best describes the equation below?
FeS + HCl ⟶ H2S + FeCl2
synthesis
combustion
single replacement
double replacement
What class of reaction best describes the reaction
Mg + HCl ⟶ MgCl2 + H2
combustion
synthesis
decomposition
single replacement
What class of reaction best describes the equation below?
MgCO3 ⟶ MgO + CO2
Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion
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
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
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
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
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
