NEW
Font size
WorksheetsRxn Types and Balancing
Total questions: 15
Worksheet time: 15mins
What do the red numbers in the image represent?
subscripts
coefficients
congruents
superscripts
What coefficients are needed to balance
__AgNO3 + __Cu → __Cu(NO3)2 + __Ag
4,2,1,2
1,1,1,1
1,2,1,2
2,1,1,2
Classify
FeS + 2 HCl → H2S + FeCl2
synthesis
combustion
single replacement
double replacement
Which chemical reaction forms carbon dioxide and water?
Double Replacement
Single Replacement
Combustion
Decomposition
Neutralization
The following is what type of reaction:
NH3 + HCl → NH4Cl
Synthesis
Decomposition
Single Replacement
Double Replacement
Balance this equation:
__P4 + __O2 → __P2O3
it is already balanced
2, 1, 3
1, 2, 3
1, 3, 2
Which of the following is an example of synthesis?
Na + Br2 → NaBr
KClO3 → KCl + O2
HgO + Cl2 → HgCl + O2
Cl2 + NaBr → NaCl + Br2
Identify the type of reaction:
ZnCl2 + Mg → Zn + MgCl2
Synthesis
Single Replacement
Double Replacement
Decomposition
Combustion
Identify the reaction type:
H2O2 → H2O + O2
Decomposition
Synthesis
Combustion
Neutralization
Balance the following:
____ Fe + ____ Cl2 → ____ FeCl3
Balance the following:
____ Al + ____ O2 → ____ Al2O3
Which type of reaction is:
2 H3AsO4 → As2O5 + 3 H2O
Which equation is balanced?
3 P4 + 1 O2 → 2 P2O3
1 P4 + 1 O2 → 2 P2O3
1 P4 + 3 O2 → 2 P2O3
1 P4 + 2 O2 → 3 P2O3
Aluminum sulfate
Al2(SO4)3
Al(SO4)3
Al2(SO4)
AlSO4
