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

Mia Campbell
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the products formed when lead(IV) oxide decomposes?
Lead(II) oxide and hydrogen gas
Lead(II) oxide and water
Lead(II) oxide and oxygen gas
Lead(IV) oxide and carbon dioxide
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen atoms are initially present on the product side before balancing?
One
Two
Three
Four
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step to address an odd number of oxygen atoms in a chemical equation?
Add a catalyst
Remove some products
Multiply by two to make it even
Add more reactants
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When balancing the equation, what coefficient is placed in front of PbO2 to balance the oxygen atoms?
One
Two
Three
Four
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many lead atoms are present on each side of the balanced equation?
One
Two
Three
Four
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of oxygen atoms on the product side after balancing?
Four
Three
Two
Five
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if you encounter an odd number of atoms while balancing a chemical equation?
Make it even by adjusting coefficients
Ignore it
Change the products
Add more reactants
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key takeaway for balancing chemical equations as mentioned in the final tips?
Balance only the reactants
Use a calculator for complex equations
Count all atoms and make odd numbers even
Always start with the smallest molecule
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