Balancing of Chemical Equations

Quiz
•
Science
•
10th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which problem is balanced?
(Check ALL answers)
PbO2 + 2H2
SO2 + H20 --> H2SO4
2Na + 2H2O --> 2NaOH + H2
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Balance this equation
_Al +_HCl --> _H2 +_AlCl3
2,6,3,2
it's already balanced
4,12,3,4
2,1,4,5
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is the following equation balanced?
4Fe + 3O2 --> 2Fe2O3
yes
no
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is the following reaction balanced?
2CH3OH + 3O2 --> 2CO2 + 4H2O
yes
no
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A chemical reaction is balanced when
both sides have the same elements
Both sides have the same number of atoms
Same subscripts
Same coefficients
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a coefficient?
The small number on the right of the chemical symbol.
The large number in front of a chemical formula.
The number in between the chemical symbols.
The number behind a chemical formula.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this balanced?
Al + O2 → 2Al2O3
Yes
No
Tags
NGSS.HS-PS1-7
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