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Worksheets

Types of Reactions Bank

Total questions: 159

Worksheet time: 5hrs 46mins

Name
Class
Date
1.
Two Reactants and One Product
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
2.
Always starts with a Hydrocarbon that reacts with oxygen and produces carbon dioxide and water. 
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
3.
One reactant into several products.
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
4.
Ions in two compounds switch. 
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
5.
3KOH + H3PO4 --> K3PO4 + 3H2O
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Double displacement
6.
3Mg + N2 --> Mg3N2
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Combustion
7.
2NO2 --> N2 + 2O2
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Combustion
8.
P4 + 3O2 --> 2P2O3
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Combustion
9.
C4H12 + O2 → CO2 + H2O
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
10.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
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.
The following is what type of reaction:
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
a)
Synthesis
b)
Decomposition
c)
Single Replacement Replacement
d)
Double Replacement Replacement
15.
What type of chemical reaction is this?
Al(OH)3 → Al2O3  + H2O
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement 
16.

What reaction has the following general formula:

AB --> A + B

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

17.

What reaction has the following general formula:

A + CD --> C + AD

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

18.

What reaction has the following general formula:

AB + CD --> CB + AD

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

19.

What reaction has the following general formula:

A + B --> AB

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

20.
4Si   + S8   -->   2Si2S4
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
21.
Two Reactants and One Product
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
22.
Always starts with a Hydrocarbon that reacts with oxygen and produces carbon dioxide and water. 
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
23.
One reactant into several products.
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
24.
One element replaces another in a compound.
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
25.
Ions in two compounds switch. 
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
26.
What type a reaction is taking place in this picture?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
27.
3KOH + H3PO4 --> K3PO4 + 3H2O
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Double displacement
28.
C4H12 + O2 → CO2 + H2O
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
29.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
30.
4Si   + S8   -->   2Si2S4
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
31.
2Pb(NO3)2   -->   2PbO +  4NO2  +  O2
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Combustion
32.
The following is what type of reaction:
PbCl2 + AgNO3 → Pb(NO3)2 + AgCl
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
33.
The following is what type of reaction:
NH3 + HCl  → NH4Cl
a)
Synthesis
b)
Decomposition
c)
Single Replacement Replacement
d)
Double Replacement Replacement
34.
What is decomposition?
a)
putting substances together
b)
breaking substances apart
c)
element replacing another element in a compoud
d)
burning of a subtance
35.
What type of chemical reaction is this?
Al(OH)3 → Al2O3  + H2O
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement 
36.

What type of reaction involves the breaking down of a substance into simpler substances?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

37.

What type of reaction involves 2 substances combining to form 1 new compound?

a)

Decomposition Reaction

b)

Single Replacement Reaction

c)

Double Replacement Reaction

d)

Synthesis Reaction

38.

What type of reaction involves one element replacing another element in a compound?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

39.

What type of reaction involves ions from 2 compounds exchanging places to form 2 completely new compounds?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

40.

What are the reactants in the chemical equation pictured?

a)

CH4 and CO2

b)

CH4 and O2

c)

CO2 and H2O

d)

O2 and H2O

41.

What are the products of the chemical reaction pictured?

a)

CH4 and CO2

b)

CH4 and O2

c)

CO2 and H2O

d)

O2 and H2O

42.

What type of chemical reaction is this one?

Al(OH)3 --> Al2O3 + H2O

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

43.

What type of chemical reaction is this one?

CUO + CO2 --> CuCO3

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

44.

What type of chemical reaction is this one?

Ca + MgCl2 --> CaCl2 + Mg

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

45.

3KOH + H3PO4 --> K3PO4 + 3H2O

a)

Combination

b)

Decomposition

c)

Single replacement

d)

Double replacement

46.
CxHy +O2 --> H2O + CO2
a)
Decomposition
b)
Double replacement
c)
Combustion
d)
Single Replacement
47.
Pb(NO3)2 --> PbO + NO2 + O2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
48.

When Lead Nitrate reacts with potassium iodide, Yellow precipitate of ............. is formed

a)

PbI2

b)

KNO3

c)

Pb(NO3)2

d)

PbIO3

49.

Balancing this reaction:

____ CH4 + ____ O2 ---> ___ CO2 + ____ H2O

a)

2,1,3,1

b)

1,2,1,2

c)

1,2,2,1

d)

2,1,1,2

50.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)
I don't know, and don't want to try
d)
None of the answers are correct
51.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
52.

Two chemicals reacted and one of the products stays dissolved in the solution. What symbol is used to indicate this?

a)

(s)

b)

(l)

c)

(aq)

d)

(g)

53.

Predict the products for this substance: Al2O3 → ? + ?

a)

Al + O2

b)

O2 + Al3

c)

Al2 + O3

d)

Al + O

e)

Al3 + O

54.

Predict the products if Calcium Carbonate reacts with Silver Sulfate.

CaCO3 + Ag2SO4 → ?

a)

Ag2CO3 + Ca2SO4

b)

AgCO3 + CaSO4

c)

CaSO4 + Ag2CO3

d)

Ag(CO3)2 + CaSO4

55.
What kind of reaction is this:
4Fe  +  3O2 →   2Fe2O3 
a)
Synthesis
b)
Decomposition
c)
Single Replacement 
d)
Double Replacement
56.
What kind of reaction is this:
2H2O2 →2 H2O + O2
a)
Synthesis
b)
Decomposition
c)
Single Replacement 
d)
Combustion
57.
What kind of reaction is this:
Fe + CuSO4 -> Cu + FeSO4
a)
Double Replacement
b)
Decompostion
c)
Single Replacement
d)
Combustion
58.

Predict the products for the this reaction:

Mg + CuCl2 →

a)

MgCl2 + Cu

b)

MgCl + Cu

c)

MgCu + Cl2

d)

CuMg + Cl2

59.

Predict the products for the this reaction: [Ag has a charge of 1+]

Ag3N + KCl →

a)

AgCl + K3N

b)

AgK + ClN3

c)

AgN3 + KCl

d)

KAg + N3Cl

60.
Two Reactants and One Product
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
61.
Always starts with a Hydrocarbon that reacts with oxygen and produces carbon dioxide and water. 
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
62.
One element replaces another in a compound.
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
63.
Ions in two compounds switch. 
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
64.
What type a reaction is taking place in this picture?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
65.
3KOH + H3PO4 --> K3PO4 + 3H2O
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Double displacement
66.
C4H12 + O2 → CO2 + H2O
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
67.
Which of the following is the general formula for a decomposition reaction?
a)
A + B  → AB
b)
AB → A + B
c)
AB + C → AC + B
d)
AB + CD → AC + BD
68.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
69.
4Si   + S8   -->   2Si2S4
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
70.
The following is what type of reaction:
PbCl2 + AgNO3 → Pb(NO3)2 + AgCl
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
71.
The following is what type of reaction:
NH3 + HCl  → NH4Cl
a)
Synthesis
b)
Decomposition
c)
Single Replacement Replacement
d)
Double Replacement Replacement
72.
What is decomposition?
a)
putting substances together
b)
breaking substances apart
c)
element replacing another element in a compoud
d)
burning of a subtance
73.
What type of chemical reaction is this?
Al(OH)3 → Al2O3  + H2O
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement 
74.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

75.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

76.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

77.
4Si + S8 --> 2Si2S4
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Double displacement
78.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single diplacement
d)
Double displacement
79.
3KOH + H3PO4 --> K3PO4 + 3H2O
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Double displacement
80.
2Pb(NO3)2 --> 2PbO + 4NO2 + O2
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Combustion
81.
3Mg + N2 --> Mg3N2
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Combustion
82.
2NO2 --> N2 + 2O2
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Combustion
83.
P4 + 3O2 --> 2P2O3
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Combustion
84.
Which chemical reaction switches 2 elements?
a)
Double Replacement
b)
Single Replacement
c)
Combustion
d)
Decomposition
85.
Which chemical reaction takes place when 2 substances react to form a single product?
a)
Decomposition
b)
Double Replacement
c)
Single Replacement
d)
Synthesis
86.
Fe + H2SO4 --> Fe2(SO4)3 + H2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
87.
NH3 + HCl ---> NH4Cl 
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
88.
H2SO4 + Fe -->H2 + FeSO4
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
89.
C4H12 + O2 --> CO2 + H2O
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
90.
PbCl2 + AgNO3 ---> Pb(NO3)2 + AgCl 
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
91.
Which of the following is the general formula for a decomposition reaction?
a)
A + B  → AB
b)
AB → A + B
c)
AB + C → AC + B
d)
AB + CD → AC + BD
92.
Which reaction type is the following: C5H10O4 + O2 --> CO2 + H2O
a)
Decomposition
b)
Single Replacement
c)
Combustion
d)
Double Replacement
93.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

94.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

95.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

96.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

97.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

98.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

99.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

100.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

101.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

102.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

103.

What type of reaction involves the breaking down of a substance into simpler substances?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

104.

What type of reaction involves 2 substances combining to form 1 new compound?

a)

Decomposition Reaction

b)

Single Replacement Reaction

c)

Double Replacement Reaction

d)

Synthesis Reaction

105.

What type of reaction involves one element replacing another element in a compound?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

106.

What type of reaction involves ions from 2 compounds exchanging places to form 2 completely new compounds?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

107.

What are the reactants in the chemical equation pictured?

a)

CH4 and CO2

b)

CH4 and O2

c)

CO2 and H2O

d)

O2 and H2O

108.

What are the products of the chemical reaction pictured?

a)

CH4 and CO2

b)

CH4 and O2

c)

CO2 and H2O

d)

O2 and H2O

109.

What type of chemical reaction is this one?

Al(OH)3 --> Al2O3 + H2O

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

110.

What type of chemical reaction is this one?

CUO + CO2 --> CuCO3

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

111.

What type of chemical reaction is this one?

Ca + MgCl2 --> CaCl2 + Mg

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

112.

3KOH + H3PO4 --> K3PO4 + 3H2O

a)

Combination

b)

Decomposition

c)

Single replacement

d)

Double replacement

113.
CxHy +O2 --> H2O + CO2
a)
Decomposition
b)
Double replacement
c)
Combustion
d)
Single Replacement
114.
Pb(NO3)2 --> PbO + NO2 + O2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
115.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)
I don't know, and don't want to try
d)
None of the answers are correct
116.

If Ethylene (C2H4) reacts with Oxygen gas in a chemical reaction, what are the products?

a)

C2O2 + H4

b)

CO2 + H2 + O2

c)

CO + H2

d)

CO2 + H2O

117.
What kind of reaction is this:
4Fe  +  3O2 →   2Fe2O3 
a)
Synthesis
b)
Decomposition
c)
Single Replacement 
d)
Double Replacement
118.
What kind of reaction is this:
2H2O2 →2 H2O + O2
a)
Synthesis
b)
Decomposition
c)
Single Replacement 
d)
Combustion
119.
What kind of reaction is this:
Fe + CuSO4 -> Cu + FeSO4
a)
Double Replacement
b)
Decompostion
c)
Single Replacement
d)
Combustion
120.

What type of chemical reaction is this one?

Ca + MgCl2 --> CaCl2 + Mg

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

121.

The right side of the equation below is called the

a)

products

b)

reactants

122.

What type of reaction is illustrated below?

Zn + H2S --> ZnS + H2

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

123.

What type of reaction is illustrated below?

2HI --> H2 + I2

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

124.

What type of chemical reaction is this one?

C2H2 + O2 --> CO2 + H2O

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

125.

Evidence of a chemical reaction include:

a)

Phase change

b)

No new substance

c)

Bubbles forming

d)

Shape change

126.

3KOH + H3PO4 --> K3PO4 + 3H2O

a)

Combination

b)

Decomposition

c)

Single replacement

d)

Double replacement

127.

2Na +S → Na2S

a)

Double Replacement

b)

Decomposition

c)

Combustion

d)

Synthesis

128.

2 NO2 ---> 2 O2 + N2

a)

Synthesis

b)

Single Replacement

c)

Decomposition

d)

Combustion

129.

Identify the product(s) in the following chemical reaction:


Chromium oxide + Carbon → Chromium + Carbon monoxide

a)

Chromium and carbon.

b)

Chromium and carbon monoxide.

c)

Chromium and carbon dioxide.

d)

Chromium oxide and carbon.

130.

In chemical reactions, a product is _________.


En reacciones químicas, un producto es _________.

a)

any substance that is made of the greatest number of atoms

b)

any substance that is made from the least number of atoms

c)

any substance that is to the left of the arrow

d)

any substance to the right of the arrow

131.

What is the role of the arrow sign in a chemical reaction?


¿Cuál es el papel del signo de flecha en una reacción química?

a)

Making sure atom counts on each side are the same.

b)

Separating products and reactants.

c)

Showing which substances were in the container first and which substances were added later.

d)

Showing which substances are solids and which are liquids or gases.

132.
2 NaBr + 1 Ca(OH)2 ----> 1 CaBr2 + 2 NaOH
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
133.
2 NH3+ 1 H2SO4 ----> 1 (NH4)2SO4
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
134.
1 Li3N + 3 NH4NO3 ----> 3 LiNO3 + 1 (NH4)3N
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
135.
Na3PO4 + 3 KOH ----> 3 NaOH + K3PO4
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
136.
CaCO3 ----> CaO + CO2
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
137.
2 AgNO3 + Cu ----> Cu(NO3)2 + 2 Ag
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
138.
2 C5H5 + Fe ----> Fe(C5H5)2
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
139.
O3  ----> O. + O2
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
140.
2 MgI2 + Mn(SO3)2 ----> 2 MgSO3 + MnI4
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
141.
2 NO2 ----> 2 O2 + N2
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
142.
SeCl6 + O2 ----> SeO2 + 3Cl2
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
143.

A combination reaction is a chemical change in which two or more substances react to form a single new substance; also called a synthesis reaction.

a)

True

b)

False

144.

A double replacement reaction is a chemical change in which one element replaces a second element in a compound.

a)

True

b)

False

145.

A combustion reaction is a chemical change in which an element or a compound reacts with oxygen, often producing energy in the form of heat and light.

a)

True

b)

False

146.

A Double-replacement reaction is a chemical change that involves an exchange of positive ions between two compounds.

a)

True

b)

False

147.

A decomposition reaction is a chemical change in which a single compound is broken down into two or more simpler products.

a)

True

b)

False

148.
Breaking down a substance into simpler substances
a)
Displacement
b)
Synthesis
c)
Decomposition
d)
Oxidation
149.
Switching one substance for another
a)
Displacement
b)
Synthesis
c)
Decomposition
d)
Oxidation
150.
Cu + 2Ag(NO3) → 2Ag + Cu(NO3)
a)
Synthesis Reaction
b)
Decomposition Reaction
c)
Single Displacement Reaction
d)
Double Displacement Reaction
151.
Ca3(PO4)2 + 3 H2SO4 + 3 CaSO4 + 2 H3(PO4)
a)
Synthesis Reaction
b)
Decomposition Reaction
c)
Single Displacement Reaction
d)
Double Displacement Reaction
152.
What type of reaction is the equation C + O2 → CO2?
a)
Synthesis Reaction
b)
Decomposition Reaction
c)
Single Displacement Reaction
d)
Double Displacement Reaction
153.
What type of reaction is the equation 2NaCl →2Na +Cl2?
a)
Synthesis Reaction
b)
Decomposition Reaction
c)
Single Displacement Reaction
d)
Double Displacement Reaction
154.
Consider the chemical equation CH4 + 2 O2 → CO2 + 2 H2O. In this equation, CH4 is a
a)
product
b)
reactant
c)
displacement
155.
Consider the equation 4 Fe+3 O2 → 2 Fe2O3 . In this equation, 3 O2 is a
a)
product
b)
reactant
c)
compound
156.
Which generalized equation represents a synthesis reaction?
a)
A + BC → AC+ B
b)
A + B → AB
c)
AB → A + B
157.
Which generalized equation represents a decomposition reaction?
a)
A + BC → AC+ B
b)
A + B → AB
c)
AB → A + B
158.
Which generalized equation represents a single displacement reaction?
a)
A + BC → AC+ B
b)
A + B → AB
c)
AB → A + B
159.
Combining substances to form a new substance
a)
Displacement
b)
Synthesis
c)
Decomposition
d)
Oxidation

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