
Balancing Chemical Reactions and Products

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

Lucas Foster
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the product formed when iron reacts with oxygen in the given reaction?
Iron monoxide
Iron(II) oxide
Iron(IV) oxide
Iron(III) oxide
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction is Fe + O2 → Fe2O3?
Decomposition
Single displacement
Combination
Double displacement
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a combination reaction, how can it be generally represented?
A + B → AB
AB → A + B
A + B → C
AB + C → AC + B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficients are needed to balance the equation Fe + O2 → Fe2O3?
3, 2, 1
4, 3, 2
2, 3, 2
1, 1, 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to balance a chemical equation?
To make the reaction reversible
To satisfy the law of conservation of mass
To ensure the reaction is fast
To increase the yield of products
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of oxygen in the compound Fe2O3?
-1
-3
-4
-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a possible product when iron reacts with oxygen?
FeO
All of the above
Fe2O3
Fe3O4
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total negative charge contributed by oxygen in Fe2O3?
-6
-4
-2
-8
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main type of reaction discussed in the video?
Decomposition
Neutralization
Combustion
Synthesis
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