
Balancing Chemical Equations Concepts
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Aiden Montgomery
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in balancing a chemical equation?
Change the chemical formulas.
Add coefficients to balance the equation.
Count the number of atoms on each side.
Count the number of molecules.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen atoms are there on the reactant side of the equation H2O + CO?
Four
Two
Three
One
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element is already balanced in the equation H2O + CO yields CO2 + H2?
Carbon
Oxygen
Hydrogen
Nitrogen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common mistake when balancing equations like H2O + CO yields CO2 + H2?
Counting only one oxygen atom instead of two.
Ignoring the coefficients.
Changing the chemical formulas.
Counting too many hydrogen atoms.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you ensure when counting oxygen atoms in a chemical equation?
Ignore the oxygen atoms.
Count only the oxygen atoms in the reactants.
Count only the oxygen atoms in the products.
Count all oxygen atoms on both sides.
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