NEW
Font size
S
M
L
XL
WorksheetsChemical Reactions
Total questions: 10
Worksheet time: 3mins
Name
Class
Date
1.
An element plus additional element reacts to form one product is an example of which type of chemical reaction?
a)
combustion
b)
decomposition
c)
synthesis
d)
single replacement
2.
What two molecules are produced in a combustion reaction?
a)
CO2 + NH4
b)
SiO2 + H2O
c)
H2O + CO2
d)
CO2 + H2O2
3.
Which of the following can be categorized as a synthesis reaction?
a)
Ba + NaCl →BaCl2 + Na
b)
KNO3→K+ + NO3-
c)
2Li + F2 → 2LiF
d)
HCl + LiNO3 → HNO3 + LiCl
4.
What type of reaction is displayed below?
2Al + Fe2O3 → 2Fe + Al2O3
2Al + Fe2O3 → 2Fe + Al2O3
a)
Single Replacement
b)
Double Replacement
c)
Synthesis
d)
Combustion
5.
What type of reaction is characterized by two compounds switching bonding partners?
a)
Single Replacement
b)
Combustion
c)
Synthesis
d)
Double Replacement
6.
A decomposition reaction can be represented as _____________________.
a)
AB → A + B
b)
A + B → AB
c)
AB + CD → AC + BD
d)
A + BC → B + AC
7.
What is a double replacement?
a)
Two compounds react to form two new compounds.
b)
One compound reacts to form two separate elements.
c)
Two elements reacting to form a single compound.
d)
A hydrocarbon and oxygen react producing carbon dioxide and water.
8.
The reaction A + B --> AB is classified as a _____ reaction.
a)
synthesis
b)
decomposition
c)
single replacment
d)
double replacement
9.
What class of reaction best describes the equation below: 2HI --> H2 + I2
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
10.
What class of reaction best describes the equation below: Zn + H2S --> ZnS + H2
a)
synthesis
b)
combustion
c)
single replacement
d)
double replacement
Reset
