

Balancing Chemical Equations Techniques
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the products formed when sodium peroxide reacts with carbon dioxide?
Sodium carbonate and hydrogen gas
Sodium oxide and oxygen gas
Sodium carbonate and oxygen gas
Sodium oxide and carbon monoxide
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one of the applications of the reaction between sodium peroxide and carbon dioxide?
Generating hydrogen for fuel cells
Producing sodium chloride for food seasoning
Producing oxygen for scuba divers
Creating carbon monoxide for industrial use
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the initial balancing attempt, which element was identified as unbalanced?
Oxygen
Hydrogen
Carbon
Sodium
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the first adjustment made to try and balance the equation?
Adding a coefficient of 2 in front of oxygen gas
Adding a coefficient of 2 in front of sodium peroxide
Adding a coefficient of 2 in front of carbon dioxide
Adding a coefficient of 3 in front of sodium carbonate
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why was it necessary to achieve an even number of oxygen atoms during balancing?
To match the number of hydrogen atoms
To facilitate balancing of other elements
To ensure the carbon atoms are balanced
To simplify the calculation of sodium atoms
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the final adjustment made to balance the sodium atoms?
Adding a coefficient of 3 in front of sodium carbonate
Adding a coefficient of 2 in front of sodium peroxide
Adding a coefficient of 2 in front of oxygen gas
Adding a coefficient of 4 in front of carbon dioxide
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many total oxygen atoms are present on the product side after balancing?
Ten
Four
Six
Eight
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