

Balancing Chemical Equations Practice
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Sophia Harris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of balancing a chemical equation?
To change the chemical properties of the reactants
To increase the reaction rate
To ensure the same number of each type of atom on both sides
To decrease the energy required for the reaction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the initial count, how many potassium atoms are present in the reactants?
Four
One
Two
Three
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many nitrogen atoms are present on the product side initially?
Three
Four
Two
One
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is used to balance the nitrogen atoms?
1
4
2
3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After balancing nitrogen, how many potassium atoms are there in total?
Two
Three
Four
Five
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the coefficient placed in front of potassium oxide to balance oxygen atoms?
2
4
8
6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen atoms are there on the reactant side after balancing?
Nine
Six
One
Three
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