Chemical Reactions Review
Authored by Kelly Calvelage
Chemistry
9th Grade
NGSS covered
Used 5+ times
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55 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What are the coefficient used to balance the equation below?
__Ag2O →__ Ag +___O2
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Balance this equation.
__CF4 + __Br2 --> __CBr4 + __F2
2,1,2,1
1,2,2,1
1,2,1,2
2,2,2,2
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Balance this equation.
__CH4 + __O2 --> __CO2 + __H2O
1,2,1,1
2,1,2,1
1,2,1,2
0,2,0,2
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is the equation balanced?: 2H2O + O2 --> 4MgO + 3Fe
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Balance this equation
__Zn +__HCl-->__ZnCl2 +__H2
1,1,2,1
1,1,1,2
1,2,1,1
2,1,1,1
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Balance this equation.
__Mg + __Cl2 --> __MgCl2
1, 2,1
already balanced
2,1,1
1,1,2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
KNO3 --> KNO2 + O2
What coefficients are needed to balance the reaction?
Tags
NGSS.HS-PS1-7
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