Chemical Reactions: Types, Definitions, and Examples Quiz

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
+8
Standards-aligned
George Willard
FREE Resource
39 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is a chemical reaction?
A process where only physical changes occur
A process where substances are converted to different substances
A process where energy is always absorbed
A process where substances remain unchanged
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What are the starting substances in a chemical reaction called?
Inhibitors
Catalysts
Reactants
Products
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which of the following is NOT a characteristic of a chemical reaction?
Temperature change
Formation of a precipitate
Change in color
Change in shape
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In a chemical equation, what does the arrow represent?
The equality of reactants and products
The direction of the reaction
The temperature of the reaction
The speed of the reaction
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the first step in balancing a chemical equation?
Add a catalyst
Change the subscripts
Identify each element
Check the net charge
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which type of reaction involves two or more substances combining to form a single new substance?
Decomposition
Combustion
Single-replacement
Synthesis
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is an example of a decomposition reaction?
CaCO3 → CaO + CO2
Na + Cl2 → NaCl
Zn + HCl → ZnCl2 + H2
C + O2 → CO2
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