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WorksheetsUnit 7 Quiz #2 Review
Total questions: 21
Worksheet time: 17mins
Name
Class
Date
1.
Name the type of reaction: H2O ---> H2 +O2
a)
Synthesis
b)
Decomposition
c)
combustion
d)
Single replacement
2.
Name the type of reaction: H2 +O2 --->H2O
a)
Combustion
b)
Decomposition
c)
Synthesis
d)
Single replacement
3.
Name this reaction: Ca(OH)2 → CaO + H2O
a)
Combustion
b)
Decomposition
c)
single replacement
d)
synthesis
4.
Name this reaction: Zn + 2HCl → H2 + ZnCl2
a)
Decomposition
b)
Single replacement
c)
Double Replacement
d)
Synthesis
5.
Name this reaction: H2SO4 + 2NaOH → Na2SO4 + 2H2O
a)
Decomposition
b)
Combustion
c)
Double replacement
d)
Single replacement
6.
Name this reaction: 2C3H10 + 11O2 → 6CO2 + 10H2O
a)
Combustion
b)
Decomposition
c)
Single replacement
d)
Double replacement
7.
Name this reaction: CH4 + 2O2 → CO2 + 2H2O
a)
Combustion
b)
Decomposition
c)
Single replacement
d)
Double replacement
8.
Pb(NO3)2(aq) + 2KI(aq)2KNO3(aq) + PbI2(s) is what kind of reaction?
a)
Decomposition
b)
Combustion
c)
Double replacement
d)
Single replacement
9.
Name this reaction type: Cl2(g) + 2NaI(aq)2NaCl(aq) + I2(s)
a)
Decomposition
b)
Single replacement
c)
Double Replacement
d)
Synthesis
10.
SO2(g) + H2O(l)H2SO3(aq) is what type of reaction?
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single replacement
11.
4Si + S8 --> 2Si2S4
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Double displacement
12.
2Pb(NO3)2 --> 2PbO + 4NO2 + O2
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Combustion
13.
2NO2 --> N2 + 2O2
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Combustion
14.
P4 + 3O2 --> 2P2O3
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Combustion
15.
Which chemical reaction breaks down into 2 substances?
a)
Double Replacement
b)
Single Replacement
c)
Synthesis
d)
Decomposition
16.
Which chemical reaction switches 2 elements?
a)
Double Replacement
b)
Single Replacement
c)
Combustion
d)
Decomposition
17.
A + B = AB
a)
Double Replacement
b)
Synthesis
c)
Combustion
d)
Decomposition
18.
AB + CD = AD + CB
a)
Double Replacement
b)
Single Replacement
c)
Combustion
d)
Decomposition
19.
A + BC = B + AC
a)
Single Replacement
b)
Combustion
c)
Double Replacement
d)
Synthesis
20.
Which chemical reaction takes place when 2 substances react to form a single product?
a)
Decomposition
b)
Double Replacement
c)
Single Replacement
d)
Synthesis
21.
AB = A + B
a)
Decomposition
b)
Single Replacement
c)
Combustion
d)
Synthesis
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