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WorksheetsChemical Reactions Review
Total questions: 21
Worksheet time: 12mins
The process in which one or more substances are changed into new substances with different chemical and physical properties is called a _____
chemical equation
chemical reaction
stoichiometry
physical change
If a chemical substance has been dissolved in water, what symbol would be used to represent the solution?
(s)
(g)
(l)
(aq)
Choose the correct coefficients that balance the following equation.
Ca + N2 --->Ca3N2
1,3,3
2,3,1
3,1,1
4,1,3
What are the original substances in a chemical reaction called?
solutions
reactants
products
polyatomic ions
What type of reaction is occuring?
2 FeCl3 --> 2 Fe + 3 Cl2
synthesis
decomposition
single replacement
double replacement
The type of reaction in which oxygen is a reactant and energy is produced is called ________.
synthesis
decomposition
single replacement
combustion
What are the NEW substances produced in a chemical reaction called?
reactants
products
polyatomic ions
solutions
What type of reaction
is occurring?
Al + 3 Ag(NO3)--> 3 Ag + Al(NO3)3
synthesis
decomposition
single replacement
double replacement
Predict the products of the single replacement reaction:
Ca + Al2O3 -->
Ca + Al2O3
Ca + Al + O2
CaAlO3
Al + CaO
Identify the reactants in this chemical reaction.
Ca + F2--> CaF2
Ca
F2
Ca + F2
CaF2
The type of reaction in which 2 different compounds’ atoms or ions replace each other is called ________.
synthesis
decomposition
single replacement
double replacement
Which of the following is not an indication of a chemical reaction taking place.
color change
odor change
precipitate formation
evaporation
What conditions must a chemical reaction meet due to the symbols?
50K, 3 atm
------------------>
heat added
catalyst added
a specific temperature and pressure required
a specific pressure only required
Select the coefficients to balance the following equation.
___Al + ___Ag(NO3) --> __Ag + __Al(NO3)3
3,1,1,3
1,3,3,1
1,2,2,1
2,1,1,2
What type(s) of reaction is occurring?
4 Fe + 3 O2 --> 2 Fe2O3
synthesis
decomposition
single replacement
double replacement
The type of reaction in which 2 or more reactants combine to form ONE product is called ________.
synthesis
decomposition
single replacement
double replacement
List the coefficients in order for this chemical equation:
3 FeO + Ca3P2 --> Fe3P2 + 3 CaO
3,0,0,3
3,1,1,3
3,2,1,0
4,3,3,1
What type of reaction is occuring?
FeCl2 + CaBr2 --> CaCl2 + FeBr2
synthesis
decomposition
single replacement
double replacement
The type of reaction in which ONE reactant compound is broken down into smaller substances is called ________.
synthesis
decomposition
single replacement
double replacement
Balance the following equation.
Al + S--> Al2S3
2,2,1
2,4,1
2,3,1
3,1,1
Identify the product(s) in this chemical reaction.
Ca + F2 --> CaF2
Ca
F2
CaF2
Ca and F2
