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Classifying Chemical Reactions
By Stacy Goldstein
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Last updated about 5 years ago
15 questions
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Classifying Chemical Reactions
Choose the correct type of reaction(s)
Question 1
1.
What type of reaction is this and how do you know?
CaCO
3
→ CaO + CO
2
Question 2
2.
2H
2
+ O
2
→ 2H
2
O
Synthesis
Question 3
3.
2K + 2H
2
O → H
2
+ 2KOH
Synthesis
Decomposition
Question 4
4.
CaCO
3
+ 2HCl → CaCl
2
+ H
2
CO
3
Synthesis
Decomposition
Question 5
5.
2KClO
3
→ 2KCl + 3O
2
Synthesis
Decomposition
Question 6
6.
Ca + 2HCl → CaCl
2
+ H
2
Synthesis
Decomposition
Question 7
7.
2SO
2
+ O
2
→ 2SO
3
Synthesis
Decomposition
Question 8
8.
Pb(NO
3
)
2
+ 2HCl → PbCl
2
+ 2NHO
3
Synthesis
Decomposition
Question 9
9.
What type of reaction is this and how do you know?
Cu + 2AgNO
3
→ 2Ag + Cu(NO
3
)
2
Question 10
10.
2Na + Cl
2
→ 2NaCl
Synthesis
Decomposition
Question 11
11.
CH4 + 2O
2
→ CO
2
+ 2H
2
O
Synthesis
Decomposition
Question 12
12.
Pb(NO
3
)
2
+ 2KI → PbI
2
+ 2KNO
3
Synthesis
Decomposition
Question 13
13.
2Fe + O
2
→ 2FeO
Synthesis
Decomposition
Question 14
14.
Zn + 2HCl → H
2
+ ZnCl
2
Synthesis
Decomposition
Question 15
15.
What type of reaction(s) are used above? How do you know?
Decomposition
Single Replacement
Double Replacement
Combustion
Single Replacement
Double Replacement
Combustion
Single Replacement
Double Replacement
Combustion
Single Replacement
Double Replacement
Combustion
Single Replacement
Double Replacement
Combustion
Single Replacement
Double Replacement
Combustion
Single Replacement
Double Replacement
Combustion
Single Replacement
Double Replacement
Combustion
Single Replacement
Double Replacement
Combustion
Single Replacement
Double Replacement
Combustion
Single Replacement
Double Replacement
Combustion
Single Replacement
Double Replacement
Combustion