Chemical Reactions Unit Review
Authored by Rondel Thorpe
Science, Chemistry, Biology
9th Grade - University
NGSS covered
Used 6+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of chemical reaction is being described: A chemical reaction where energy is absorbed..
Exothermic reaction
Endothermic Reaction
Hydrothermic Reaction
Multithermic Reaction
Answer explanation
Endothermic Reactions - Absorb energy during chemical reaction
Exothermic Reaction - Release energy during chemical reaction
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which symbol represents the chemical in an equation is in the liquid phase?
aq
s
g
l
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which symbol represents the chemical in an equation is in the solid phase?
l
aq
s
g
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What kind of reaction is this:
4Fe + 3O2 → 2Fe2O3
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which symbol represents the chemical in an equation is dissolved in water ?
aq
s
l
g
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When balancing a chemical equation, ONLY the _________ can be changed ...
subscripts
coefficients
chemical formula
direction of the arrow
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the activity series of metals, which metal(s) will displace silver (Ag) from an acid?
only metals below silver (Ag)
only metals from Li to Na
any metal
only metals above silver (Ag)
Tags
NGSS.MS-PS1-2
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