
Balancing Chemical Equations

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Mia Campbell
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial number of magnesium atoms on each side of the equation?
One
Two
Three
Four
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are initially present on the reactant side?
Four
Two
Six
Eight
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of oxygen atoms on the product side before balancing?
One
Four
Two
Three
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is added in front of H2O to balance the oxygen atoms?
4
1
2
3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After balancing the oxygen atoms, how many hydrogen atoms are on the reactant side?
Seven
Six
Five
Four
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is used in front of H2 to balance the hydrogen atoms?
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are on the product side after balancing?
Six
Four
Seven
Five
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final number of oxygen atoms on each side of the balanced equation?
Four
Three
Two
One
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final balanced equation for MgH2 + H2O?
MgH2 + H2O -> Mg + 2H2O
MgH2 + 2H2O -> Mg + 2H2 + O2
MgH2 + 2H2O -> Mg + 2H2 + O
MgH2 + 2H2O -> Mg + 2H2 + 2O
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