Chemical Reaction Test
Name: ____________________
Date: ________________
Multiple Choice
1) What are the missing coefficients for the skeleton equation below?
Al2(SO4)3(aq) + KOH(aq)  Al(OH)3(aq) + K2SO4(aq)
a) 2,12,4,6
b) 2,3,1,1
c) 1,6,2,3
d) 1,3,2,3
2) If you were to rewrite the following word equation as a balanced chemical
equation, what will be the coefficient and symbol for iodine?
Bromine + potassium iodide  potassium bromide + iodine
a) 2I2
b) 2I
c) 2I-
d) I2
3) What are the missing coefficients for the skeleton equation below?
AlCl3 + NaOH  Al(OH)3 + NaCl
a) 1,3,1,3
b) 3,1,3,1
c) 3,1,1,1
d) 1,3,3,1
4) What does the symbol  in a chemical equation mean?
a) heat is supplied to the reaction c) precipitate
b) a catalyst is needed
d) yields
5) If a synthesis reaction takes place between potassium (K) and chlorine (Cl2),
what is the product?
a) K2Cl
b) KCl2
c) PCl2
d) KCl
e) PCl
6) The reaction, 2Fe + 3Cl2  2FeCl3, is an example of which type of
reaction?
a) combustion reaction
c) combination reaction
b) single-replacement reaction
d) decomposition reaction
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Chemical Reaction Test
Name: ____________________
Date: ________________
7) The equation H3PO4 + 3KOH  K3PO4 + 3H2O is an example of which
type of reaction?
a) single-replacement
b) double-replacement
c) combustion
d) decomposition
8) The equation 2C3H7OH + 9O2  6CO2 + 8H2O is an example of which
type of reaction?
a) single-replacement
b) double-replacement
c) combustion
d) decomposition
9) In a combustion reaction, one of the reactants is _____________.
a) a binary ionic compound
c) a metal
b) nitrogen
d) oxygen
e) hydrogen
10) Which of the following is the correctly balanced equation for the
incomplete combustion of heptane, C7H14?
a) C7H14 + O2  C7O2 + 7H2
b) C7H14 + 14O  7CO + 7H2O
c) C7H14 + 7O2  7CO + 7H2O
d) 2C7H14 + 21O2  14CO2 + 14H2O
e) C7H14 + 7O2  7CO2 + 7H2O
Problem Solving:
11) Balance the following equation
Mg + H3PO4  Mg3(PO4)2 + H2
12) Complete and Balance the following equation
Al + Cl2 
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Chemical Reaction Test
Name: ____________________
Date: ________________
13) Complete and Balance the following equation
CH4 + O2  CO2 +
14) Complete and Balance the following equation
Fe2(SO4)3 + Ba(OH)2 
15) Balance the following equation and Indicate whether the
combustion is complete or incomplete.
C3H8 + O2  CO + H2O
complete or incomplete (circle one)
16) Balance the following equation and Indicate whether the
combustion is complete or incomplete.
C2H5OH + O2  CO2 + H2O
complete or incomplete (circle one)
17) Identify the reaction type and Balance the following equations:
a) NaClO3  NaCl + O2
Reaction Type: _____________________________________
b) K3PO4 + BaCl2  Ba3(PO4)2 + KCl
Reaction Type: ________________________
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Chemical Reaction Test
Name: ____________________
Date: ________________
c) Fe + O2  Fe2O3
Reaction Type: _____________________________________
d) Mg + HCl  H2 + MgCl2
Reaction Type: ______________________________
e) CH4 + O2  CO2 + H2O
Reaction Type: ______________________________
f) Ca(OH)2 + H2SO4  CaSO4 + H2O
Reaction Type: ______________________
18) For the following reaction: Write the Complete Ionic Equation
and the Net Ionic Equation.
AgNO3(aq) + NaCl(aq)  AgCl(s) + NaNO3(aq)
Complete:
_________________________________________________________
Net:
_________________________________________________________
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