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Chemistry Identifying Reaction Types

Total questions: 50

Worksheet time: 49mins

Name
Class
Date
1.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

2.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

3.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

4.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

5.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

6.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

7.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

8.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

9.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

10.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

11.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

12.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

13.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

14.
Two Reactants and One Product
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
15.
One reactant into several products.
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
16.
One element replaces another in a compound.
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
17.
Ions in two compounds switch. 
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
18.

What is the type of reaction shown above?

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

19.
This pictures simulates what type of reaction?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
20.

Identify the reaction type for the following equation:

K + F2 --> KF

a)

Double replacement

b)

Single Replacement

c)

Synthesis

d)

Decomposition

21.

Identify the type of reaction:

ZnCl2 + Mg --> Zn + MgCl2

a)

Precipitate

b)

Single Replacement

c)

Double Replacement

d)

Decomposition

22.

Identify the reaction type:

NaCl + KOH --> KCl + NaOH

a)

Double replacement

b)

Combustion

c)

Synthesis

d)

Decomposition

23.

Identify the reaction type:

H2O2 --> H2O + O2

a)

Decomposition

b)

Synthesis

c)

Combustion

d)

Acid Base

24.

Pb(NO3)2 --> PbO + NO2 + O2

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Combustion

e)

Double replacement

25.

Cu + 2Ag(NO3) → 2Ag + Cu(NO3)

a)

Synthesis Reaction

b)

Decomposition Reaction

c)

Single Replacement Reaction

d)

Double Replacement Reaction

26.

P4 + 3 O2 ----> 2 P2O3

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

27.

Cl2 + 2 SnI4 → I2 + SnCl4

a)

Single Replacement

b)

Decomposition

c)

Double Replacement

d)

Synthesis

e)

Combustion

28.
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
29.

What is the general reaction scheme for a single replacement reaction?

a)

A + B --> AB

b)

AB --> A + B

c)

A + CD --> C + AD

d)

AB + CD --> CB + AD

30.

What is the general reaction scheme for a combination reaction?

a)

A + B --> AB

b)

AB --> A + B

c)

A + CD --> C + AD

d)

AB + CD --> CB + AD

31.

What is the general reaction scheme for a double replacement reaction?

a)

A + B --> AB

b)

AB --> A + B

c)

A + CD --> C + AD

d)

AB + CD --> CB + AD

32.

What is the general reaction scheme for a decomposition reaction?

a)

A + B --> AB

b)

AB --> A + B

c)

A + CD --> C + AD

d)

AB + CD --> CB + AD

33.

Which of the following is the general formula for a synthesis reaction?

a)

A + B → AB

b)

AB → A + B

c)

AB + C → AC + B

d)

AB + CD → AC + BD

34.

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

35.

Which of the following is the general formula for a double replacement reaction?

a)

A + B → AB

b)

AB → A + B

c)

AB + C → AC + B

d)

AB + CD → AC + BD

36.

Which of the following reactions is a synthesis reaction?

a)

N2 + 3 F2 -> 2 NF3

b)

2 NaHCO3 -> Na2CO3 + CO2 + H2O

c)

Cu + 2 AgNO3 -> Cu(NO3)2 + 2 Ag

d)

FeCl3 + 3 NaOH -> 3 NaCl + Fe(OH)3

37.

Which of the following reactions is a decomposition reaction?

a)

N2 + 3 F2 -> 2 NF3

b)

2 NaHCO3 -> Na2CO3 + CO2 + H2O

c)

Cu + 2 AgNO3 -> Cu(NO3)2 + 2 Ag

d)

FeCl3 + 3 NaOH -> 3 NaCl + Fe(OH)3

38.

Which of the following reactions is a single replacement reaction?

a)

N2 + 3 F2 -> 2 NF3

b)

2 NaHCO3 -> Na2CO3 + CO2 + H2O

c)

Cu + 2 AgNO3 -> Cu(NO3)2 + 2 Ag

d)

FeCl3 + 3 NaOH -> 3 NaCl + Fe(OH)3

39.

Which of the following reactions is a double replacement reaction?

a)

N2 + 3 F2 -> 2 NF3

b)

2 NaHCO3 -> Na2CO3 + CO2 + H2O

c)

Cu + 2 AgNO3 -> Cu(NO3)2 + 2 Ag

d)

FeCl3 + 3 NaOH -> 3 NaCl + Fe(OH)3

40.
What does aq mean in a chemical reaction?
a)
aqua dancing
b)
aqua lungs
c)
aqualirious
d)
aqueous
41.

H2, F2, O2, I2, Cl2, Br2, N2 are all

a)

polyatomic ions

b)

diatomic molecules

c)

noble gases

d)

transition metals

42.
What is the Law of Conservation of Mass?
a)
It states that no matter can be created or destroyed.
b)
It states that no energy can be created or destroyed.
c)
It states that matter can be created or destroyed.
d)
It states that no sound can be created or destroyed.
43.

indicates substance is a liquid

a)

g

b)

s

c)

aq

d)

l

44.

The symbol for a substance dissolved in water (in solution) is

a)

(s)

b)

(l)

c)

(g)

d)

(aq)

45.
What is the arrow in a chemical equation...
H2 + O --> H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
46.

indicates substance is a gas

a)

g

b)

s

c)

aq

d)

l

47.

indicates substance is a solid

a)

g

b)

s

c)

aq

d)

l

48.

Identify the type of reaction:

2 H2 + O2 --> 2 H2O

a)

Single Replacement

b)

Decomposition

c)

Double Replacement

d)

Synthesis

49.

Which of the following is the general formula for a combustion reaction?

a)

AB + C → AC + B

b)

AB → A + B

c)

A + B → AB

d)

Hydrocarbon + O2 → CO2 + H2O

50.

Identify the type of chemical reaction:

CaCO3 --> CaO + CO2

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

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