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Types of Reactions: Notes Check
By Wendy Svatek
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Last updated about 1 month ago
10 questions
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Question 1
1.
Identify this reaction:
2KClO
3
→ 2KCl + 3O
2
Combustion
Decomposition
Question 2
2.
Identify this reaction:
2Cr + 3Fe(NO
3
)
2
→ 3Fe + 2Cr(NO
3
)
3
Single replacement
Question 3
3.
Question 4
4.
Of the reactions below, which one is a combustion reaction?
2Mg + O
2
→ 2MgO
CaO + H
2
O → Ca(OH)
2
2 CH
4
+ 4 O
2
→ 4 H
2
O + 2 CO
2
Question 5
5.
Of the reactions below, which one is a double-replacement reaction?
2 Mg + O
2
→ 2 MgO
NH
4
Cl → NH
3
+ HCl
2 N
2
+ 3 H
2
→ 2 NH
3
Question 6
6.
equation 1
equation 2
equation 3
Question 7
7.
Which of the following could be the products of a single replacement reaction?
H
2
O + O
2
+ ZnCl
2
Mg(OH)
2
+ CaCl
2
Question 8
8.
Balance the chemical equation. Type a '1' if you would not typically write a coefficient.
_______
Mg
(s)
+
_______
HCl
(aq)
→
_______
H
2
↑ +
_______
MgCl
2(aq)
Question 9
9.
Balance the chemical equation. Type a '1' if you would not typically write a coefficient.
_______
V
2
O
5
+
_______
CaS →
_______
CaO +
_______
V
2
S
5
Question 10
10.
Balance the chemical equation. Type a '1' if you would not typically write a coefficient.
_______
Fe
2
O
3
+
_______
C →
_______
Fe +
_______
CO
2
Synthesis
Single replacement
Double replacement
Double replacement
Decomposition
Combustion
Synthesis
CHOOSE ALL THAT APPLY.
Which of the following show synthesis reactions?
O
2(g)
+ 2PCl
3(s)
→ 2POCl
3(s)
Mg
(s)
+ Cu(NO
3
)
2(aq)
→ Cu
(s)
+ Mg(NO
3
)
2(aq)
A + B + C → ABC
2NaOH
(s)
→ Na
2
O
(s)
+ H
2
O
(g)
2NO + O
2
→ 2NO
2
2N
2
+ 3H
2
→ 2NH
3
Cd(NO
3
)
2
+ Na
2
S → CdS + 2 NaNO
3
CHOOSE ALL THAT APPLY.
Which of the following are decomposition reactions?
CH
4
(g)
+ 2O
2
(g)
→ CO
2
(g)
+ 2H
2
O
(l)
CaO
(s)
+ CO
2
(g)
→ CaCO
3
(s)
2Mg
(s)
+ O
2
(g)
→ 2MgO
(s)
PbCO
3
(s)
→ PbO
(s)
+ CO
2
(g)
equation 4
none are decomposition reactions
CO
2
+ H
2
O
Ag
NaF + Au