WorksheetsChemical Reactions
Total questions: 12
Worksheet time: 24mins
Name
Class
Date
1.
What reaction type is characterized by the reactant breaking down as the reaction progresses?
a)
Synthesis
b)
Decomposition
c)
Combustion
d)
Double Replacement
2.
Which set of coefficients properly balances the reaction below?
_Cu + _H2O →_ CuO3 + _H2
_Cu + _H2O →_ CuO3 + _H2
a)
1,3,1,5
b)
2,6,2,6
c)
1,3,1,3
d)
1,2,3,4
3.
What two molecules are produced in a combustion reaction?
a)
CO2 + NH4
b)
SiO2 + H2O
c)
H2O + CO2
d)
CO2 + H2O2
4.
What type of reaction is displayed below?
2Al + Fe2O3 → 2Fe + Al2O3
2Al + Fe2O3 → 2Fe + Al2O3
a)
Single Replacement
b)
Double Replacement
c)
Synthesis
d)
Combustion
5.
The symbol for a substance dissolved in solution is ______
a)
(s)
b)
(l)
c)
(aq)
d)
(g)
6.
Predict the products for the this Single Replacement reaction:
K + HCl →
a)
KCl + H2
b)
KHCl
c)
KH + Cl2
d)
HCl + K2
7.
Predict the products for the this Double Replacement reaction:
AgNO3 + KCl →
a)
AgCl + KNO3
b)
AgK + ClNO3
c)
KAg + NO3Cl
d)
AgCl + 3 KNO
8.
State whether the following compound is soluble or insoluble. calcium carbonate CaCO3
a)
soluble
b)
insoluble
9.
How do the following two elements bond together?
Al3+ O2-
Al3+ O2-
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
10.
The chemical formula of iron (III)bromide is
a)
FeBr
b)
Fe(III)Br
c)
FeBr₃
d)
Fe₂Br₃
11.
What is the name of the compound Na2(SO4)?
a)
Sodium sulfate
b)
Sodium sulfide
c)
Sodium sulfite
d)
Sodium sulfuroxide
12.
State whether the following compound is soluble or insoluble.Barium chloride BaCl2
a)
soluble
b)
insoluble
100 %
