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

Lucas Foster
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial number of sodium atoms on the reactant side of the equation?
One
Two
Three
Four
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to consider the oxygen in water when counting atoms on the product side?
It changes the number of sodium atoms.
It affects the number of hydrogen atoms.
It ensures the correct total count of oxygen atoms.
It balances the chlorine atoms.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is placed in front of NaCl to balance the sodium atoms?
1
2
3
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many chlorine atoms are there on the product side after balancing?
Four
One
Two
Three
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final step in balancing the equation?
Balancing sulfur atoms
Balancing hydrogen atoms
Balancing chlorine atoms
Balancing sodium atoms
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What common error might occur when balancing this equation?
Overcounting chlorine atoms
Miscounting sulfur atoms
Ignoring the oxygen in water
Forgetting to balance sodium
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the balanced equation for sodium sulfite reacting with hydrochloric acid?
Na2SO3 + 2HCl → 2NaCl + H2O + SO2
Na2SO3 + HCl → NaCl + H2O + SO2
Na2SO3 + 2HCl → NaCl + H2O + SO2
Na2SO3 + HCl → 2NaCl + H2O + SO2
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is the narrator of the video?
Dr. D
Dr. C
Dr. B
Dr. A
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