wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Types of Reactions

Total questions: 40

Worksheet time: 49mins

Name
Class
Date
1.
The following is what type of reaction:
PbCl2 + AgNO3 → Pb(NO3)2 + AgCl
a)

Combination / Synthesis

b)
Decomposition
c)
Single Replacement
d)
Double Replacement
2.
The following is what type of reaction:
NH3 + HCl  → NH4Cl
a)

Combination / Synthesis

b)
Decomposition
c)
Single Replacement Replacement
d)
Double Replacement Replacement
3.
What type of chemical reaction is this?
Al(OH)3 → Al2O3  + H2O
a)
Decomposition
b)

Combustion

c)

Combination / Synthesis

d)
Single Replacement 
4.
Ions in two compounds switch. 
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
5.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)

Combination / Synthesis

b)
Decomposition
c)
Single Displacement
d)
Double Displacement
6.
One reactant into several products.
a)
Decomposition
b)

Combination / Synthesis

c)
Combustion
d)
Single Replacement
7.

A hydrocarbon that reacts with oxygen and produces carbon dioxide and water. 

a)
Decomposition
b)

Combination / Synthesis

c)
Combustion
d)
Single Replacement
8.
Two Reactants and One Product
a)
Decomposition
b)

Combination / Synthesis

c)
Combustion
d)
Single Replacement
9.
4Si   + S8   -->   2Si2S4
a)

Combination / Synthesis

b)
Decomposition
c)
Single Displacement
d)
Double Displacement
10.
C4H12 + O2 → CO2 + H2O
a)

Combination / Synthesis

b)
Combustion
c)
Single Replacement
d)
Double Replacement
11.
2Pb(NO3)2   -->   2PbO +  4NO2  +  O2
a)

Combination / Synthesis

b)
Decomposition
c)
Single Displacement
d)
Combustion
12.
3Mg + N2 --> Mg3N2
a)

Combination / Synthesis 

b)
Decomposition
c)
Single displacement
d)
Combustion
13.
2NO2 --> N2 + 2O2
a)

Combination / Synthesis

b)
Decomposition
c)
Single displacement
d)
Combustion
14.
P4 + 3O2 --> 2P2O3
a)

Combination / Synthesis 

b)
Decomposition
c)
Single displacement
d)
Combustion
15.
4Si   + S8   -->   2Si2S4
a)

Combination / Synthesis

b)
Decomposition
c)
Single Displacement
d)
Double Displacement
16.
3KOH + H3PO4 --> K3PO4 + 3H2O
a)

Combination / Synthesis 

b)
Decomposition
c)
Single displacement
d)
Double displacement
17.

What reaction has the following general formula:

AB --> A + B

a)

Combination / Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

18.

What reaction has the following general formula:

A + CD --> C + AD

a)

Combination / Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

19.

What reaction has the following general formula:

AB + CD --> CB + AD

a)

Combination / Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

20.

What reaction has the following general formula:

A + B --> AB

a)

Combination / Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

21.

The compound with a pink square is known as a ___.

a)

Reactant

b)

Product

22.

In order for this equation to be balanced, what number must be written as a coefficient for the substance in the blue box?

a)

1

b)

2

c)

4

d)

0

23.

Which type of reaction is shown?

a)

Combustion

b)

single replacement

c)

double replacement

d)

decomposition

24.

What must be done to this equation for it to be balanced?

a)

change the subscript to 3 in the reactants

b)

change the subscript to 3 in the products

c)

no change; it's balanced as is

d)

change the coefficients to 2

25.

What type of reaction is shown?

a)

Decomposition

b)

Single replacement

c)

Combustion

d)

Combination (or Synthesis)

26.

To balance this equation, what coefficient belongs in the red box?

a)

3

b)

2

c)

1

d)

0

27.

What type of reaction is this?

a)

Combination (or Synthesis)

b)

Single replacement

c)

Double replacement

d)

Decomposition

28.

To balance this equation, what coefficient must be written in the yellow box?

a)

0

b)

1

c)

2

d)

3

29.

Which type of reaction is shown?

a)

Combustion

b)

Combination (or Synthesis)

c)

Decomposition

d)

Double replacement

30.

To balance this equation, what coefficient must be written in the blue box?

a)

1

b)

2

c)

3

d)

4

31.

Which type of chemical reaction involves the production of a single complex compound from several simpler reactants?

a)

Decomposition

b)

Combustion

c)

Combination (or Synthesis)

d)

Single replacement

32.

What are the products of a combustion reaction?

a)

a single complex compound

b)

several simpler elements

c)

carbon dioxide and water

d)

carbon dioxide and hydrogen

33.

Which element is always present in the reactants of a combustion reaction?

a)

oxygen

b)

hydrogen

c)

carbon

d)

water

34.

To balance this equation, what coefficient must be written in the red box?

a)

1

b)

2

c)

4

d)

5

35.
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
36.
2Pb(NO3)2 --> 2PbO + 4NO2 + O2
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Combustion
37.

What is the term for an insoluble product

a)

Precipitate

b)

Product

c)

Solid

d)

Nonpolar

38.
A clear liquid from a flask is poured into another clear liquid in a beaker. Which of the following results of this procedure would indicate a new substance was formed?
a)
The level of the substance in the beaker is higher after the other liquid is added.
b)
A yellow solid forms and then settles to the bottom of the beaker.
c)
Small white crystals are left behind in the flask that held the first liquid.
39.
Which of the following is an example that includes evidence of a chemical reaction?
a)
A sample of zinc is placed in water and it settles to the bottom
b)
A solid block of ice is heated and it completely melts into a liquid. 
c)
Sugar that is burned gives off an odor and turns brown and then black.
d)
A tomato is placed into a blender and chopped up into smaller pieces.
40.
Which of the following is NOT evidence that that a chemical reaction has occurred?
a)
produces light/heat
b)
production of a gas
c)
formation of a precipitate
d)
melting

Similar Resources on Wayground

Ionic/Covalent Test

45 questions

Ionic/Covalent Test

quiz

Worksheet

•

9th - 12th Grade

Midterm Review Chemistry 2025

42 questions

Midterm Review Chemistry 2025

quiz

Worksheet

•

9th - 12th Grade

Physical and Chemical Properties

40 questions

Physical and Chemical Properties

quiz

Worksheet

•

9th Grade

Chemistry 1st Half Syllabus Test

40 questions

Chemistry 1st Half Syllabus Test

quiz

Worksheet

•

11th - 12th Grade

Anatomy Chapter 2 part 2

37 questions

Anatomy Chapter 2 part 2

quiz

Worksheet

•

11th Grade - University

CHEMISTRY EOC

37 questions

CHEMISTRY EOC

quiz

Worksheet

•

9th - 12th Grade

Bonding and Chemical Calculations

35 questions

Bonding and Chemical Calculations

quiz

Worksheet

•

8th - 10th Grade

Nuclear Chem

40 questions

Nuclear Chem

quiz

Worksheet

•

11th - 12th Grade