Classifying Chemical Reactions
Authored by Lisa Thompson
Science
11th Grade
NGSS covered
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15 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
In a synthesis reaction, two or more substances _______________ to form another substance.
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The reaction AB + X ⟶ XB + A is classified as a _____ reaction.
synthesis
decomposition
single replacement
double replacement
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What class of reaction best describes the equation below?
Zn + H2S ⟶ ZnS + H2
synthesis
combustion
single replacement
double replacement
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What class of reaction best describes the equation below? FeS + HCl ⟶ H2S + FeCl2
synthesis
combustion
single replacement
double replacement
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What class of reaction best describes the reaction Mg + HCl ⟶ MgCl2 + H2
combustion
synthesis
decomposition
single replacement
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following chemical equations is an example of a double replacement reaction?
2Al2O3 ⟶ 4Al + 3O2
2C5H10 + 15O2 ⟶ 10CO2 + 10H2O
2MgCl2 + Na2CO3 ⟶ 2 NaCl + MgCO3
K2O + H2O ⟶ 2 KOH
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What types of reactions could this be? Check all that apply.
Fe + O2 → Fe2O3
combustion
synthesis
decomposition
double replacement
single replacement
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
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