wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Balancing Equations

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

Balance the equation

Ag+SAg2SAg+S\longrightarrow Ag_2S  

a)

1Ag+2S→2Ag₂S

b)

2Ag+1S→1Ag₂S

c)

1Ag+2S→1Ag₂S

d)

1Ag+2S→1Ag₂S

2.

Balance the Equation

C2H4O2+O2CO2+H2OC_2H_4O_2+O_2\rightarrow CO_2+H_2O  

a)

C₂H₄O₂ + 2O₂ → 2CO₂ + 2H₂O

b)

C₂H₄O₂ + 2O₂ → 1CO₂ + 2H₂O

c)

2C₂H₄O₂ + 2O₂ → 2CO₂ + 2H₂O

d)

C₂H₄O₂ + O₂ → CO₂ + 2H₂O

3.

Balance the equation

Mg+O2MgOMg+O_2\rightarrow MgO  

a)

1Mg+2O₂→2MgO

b)

1Mg+8O₂→2MgO

c)

2Mg+2O₂→2MgO

d)

2Mg+1O₂→2MgO

4.

Balance the Equation

H2+O2H2OH_2+O_2\rightarrow H_2O  

a)

1H₂+1O₂→2H₂O

b)

H₂+O₂→2H₂O

c)

2H₂+2O₂→2H₂O

d)

H₂+O₂→1H₂O

5.

What Type of Chemical Reaction?

1CI2+2KBr2KCI+1Br21CI_2+2KBr\rightarrow2KCI+1Br_2  

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

6.

What Type of Chemical Reaction?

1BaCI2+1Na2(SO4)2NaCI+1Ba(SO4)1BaCI_2+1Na_2\left(SO_4\right)\rightarrow2NaCI+1Ba\left(SO_4\right)  

a)

Single Replacement

b)

Double Replacement

c)

Synthesis Reaction

d)

Combustion Reaction

7.

What Type of Chemical Reaction?

1BaCI2+1Na2(SO4)2NaCI+1Ba(SO4)1BaCI_2+1Na_2\left(SO_4\right)\rightarrow2NaCI+1Ba\left(SO_4\right)  

a)

Synthesis

b)

Single Replacement

c)

Double Replacement

d)

Decomposition

8.

What Type of Reaction?

C3H8(g)+O2CO2(g)+H2O(g)C_3H_8\left(g\right)+O_2\rightarrow CO2\left(g\right)+H_2O\left(g\right)  

a)

Combustion

b)

Single Replacement

c)

Double Replacement

d)

Synthesis

9.

What Type of Chemical Reaction?

Na(s)+CI2(g)NaCI(s)Na\left(s\right)+CI_2\left(g\right)\rightarrow NaCI\left(s\right)  

a)

Double Replacement

b)

Decomposition

c)

Synthesis

d)

Single Replacement

10.

What Type of Chemical Reaction?

H2O(2)H2(g)+O2(g)H_2O\left(2\right)\rightarrow H_2\left(g\right)+O_2\left(g\right)  

a)

Decomposition

b)

Double Replacement

c)

Single Replacement

d)

Synthesis

11.

The number in red is a ....

a)

Subscript

b)

Coefficient

12.

The numbers in blue are....

a)

Subscript

b)

Coefficient

13.

The red side are the ...

a)

Reactants

b)

Product

14.

The blue side are...

a)

Products

b)

Reactants

15.

True or False?: Law of Conservation cannot be destroyed nor created.

a)

False

b)

True

16.

True or False?: The first step to balance a chemical equation is to count the atoms on each side of the equation.

a)

True

b)

False

17.

True or False: According to the Law of mass the products in the chemical reaction must be equal to the mass of the reactants.

a)

True

b)

False

18.

True or False?: Subscript is the whole number that is placed in front of the formula.

a)

True

b)

False

19.

True or False?: Single Replacement can replace 2 compounds.

a)

False

b)

True

20.

True or False?: Synthesis is a compound that is made from similar materials which the formula would be A+B→AB.

a)

False

b)

True