Chemical Reactions Unit Review
7th Grade
•25 Qs
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Chemical Reactions Unit Review
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Lisa Thompson
FREE Resource
Enhance your content in a minute
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What kind of reaction is this:
4Fe + 3O2 → 2Fe2O3
Synthesis
Decomposition
Single Replacement
Double Replacement
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
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
Tags
NGSS.HS-PS1-7
3.
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
4.
LABELLING QUESTION
1 min • 2 pts
Label the parts of the reaction.
Reactants
Products
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
LABELLING QUESTION
1 min • 1 pt
Identify which are the products and reactants
reactants
products
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
LABELLING QUESTION
1 min • 1 pt
Identify the products and reactants
reactants
products
Tags
NGSS.MS-PS1-2
7.
DRAG AND DROP QUESTION
1 min • 2 pts
Bubbles form when two or more substances are combined is a (a) (b)
Chemical Change
Physical Change
Tags
NGSS.MS-PS1-2
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