
Balancing Equations
Authored by Lisa Thompson
Science
9th Grade
NGSS covered

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__H2 + __S --> __H2S
1,1 --> 1
2,2 --> 2
1,2 --> 1
1,2 --> 2
Tags
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__AgNO3 + __H2S --> __Ag2S+ __HNO3
2,1 --> 1,2
1,2 --> 1,1
1,2 --> 1,2
1,2 --> 2,1
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which problem is balanced?
PbO2 + 2H2--> H2SO4
SO2 + H20 --> H2SO4
2Na + 2H2O --> 2NaOH + H2
2Na + 2H2O --> 2NaOH + H
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
How many Hydrogen are in 4H2O + 2CH4?
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The blue numbers in the image below represent ________
I don't know, and don't want to try
coefficients
subscripts
none of the answers are correct
6.
MATCH QUESTION
1 min • 4 pts
How many atoms of each element in the REACTANTS?
Mg
3
O
12
H
14
P
2
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Balance the following equation:
___ Mg+ ___ O2→___ MgO
1, 1, 3
2, 1, 2
1, 2, 1
2, 2, 2
Tags
NGSS.MS-PS1-5
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