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Worksheetsreaction types and synthesis Rxn.
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
Classify
HI → H2 + I2
HI → H2 + I2
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
2.
Classify reaction:
Na + H2S →
Na + H2S →
a)
synthesis
b)
combustion
c)
single replacement
d)
double replacement
3.
Classify
CH4 + O2 → CO2 + H2O
CH4 + O2 → CO2 + H2O
a)
single replacement
b)
double replacement
c)
synthesis
d)
combustion
4.
Classify
FeS + HCl → H2S + FeCl2
FeS + HCl → H2S + FeCl2
a)
synthesis
b)
combustion
c)
single replacement
d)
double replacement
5.
Write out the product for this reaction"
Fe + O2 →
Fe + O2 →
a)
Fe2O3
b)
O2Fe
c)
Fe+O2
d)
O2+Fe
6.
What is the product in the following chemical equation?
H2 + O2 -->
H2 + O2 -->
a)
H2
b)
O2
c)
H2 + O2
d)
H2O
7.
Which reaction type is the following:
C5H10O4 + O2 --> CO2 + H2O
C5H10O4 + O2 --> CO2 + H2O
a)
Decomposition
b)
Single Replacement
c)
Combustion
d)
Double Replacement
8.
Which of the following is the general formula for a Single replacement reaction?
a)
A + B → AB
b)
AB → A + B
c)
AB + C → AC + B
d)
AB + CD → AC + BD
9.
Which reaction type is the following:
AgF + CaCl2 -->
AgF + CaCl2 -->
a)
Decomposition
b)
Single Replacement
c)
Synthesis
d)
Double Replacement
10.
Which chemical reaction forms Carbon Dioxide and Water?
a)
Double Replacement
b)
Single Replacement
c)
Combustion
d)
Decomposition
11.
Which of the following is an example of decompostion?
a)
Na + Br2 -->
b)
KClO3 -->
c)
HgO + Cl2-->
d)
Cl2 + NaBr -->
12.
How many products are made for a synthesis reaction?
a)
more than one
b)
one or more
c)
only one
d)
none of these
13.
The following is what type of reaction:
PbCl2 + AgNO3 → Pb(NO3)2 + AgCl
PbCl2 + AgNO3 → Pb(NO3)2 + AgCl
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
14.
The following is what type of reaction:
NH3 + HCl → NH4Cl
NH3 + HCl → NH4Cl
a)
Synthesis
b)
Decomposition
c)
Single Replacement Replacement
d)
Double Replacement Replacement
15.
Balance this equation:
2Li + Cl2 → LiCl
2Li + Cl2 → LiCl
a)
2Li + Cl2 → 4LiCl2
b)
2Li + Cl2 → LiCl2
c)
2Li + Cl2 → 2LiCl
d)
2Li + 2Cl2 → 2 LiCl2
16.
Ca(OH)2 --> CaO + H2O
1. Balance the equation
2. What type reaction is this?
1. Balance the equation
2. What type reaction is this?
a)
1:1:1
Synthesis
Synthesis
b)
1:1:1
Double Replacement
Double Replacement
c)
1:1:1
Decomposition
Decomposition
d)
1:2:1
Decomposition
Decomposition
17.
What type a reaction is taking place in this picture?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
18.
Which type of reaction has the following general pattern?
ABC → A + B + C
ABC → A + B + C
a)
synthesis
b)
combustion
c)
decomposition
d)
double displacement
19.
Write the product:
Mg + N2 --> ?
Mg + N2 --> ?
a)
Mg3N2
b)
Mg+N+N
c)
MgN
d)
MgN2
20.
Write the product for this synthesis reaction:
P4 + O2 -->
P4 + O2 -->
a)
P2O3
b)
O3P2
c)
P4 + O2
d)
P2 + O3
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