

Balancing Chemical Equations Concepts
Interactive Video
•
Chemistry, Science, Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to have the same number of each element on both sides of a chemical equation?
To increase the yield of the reaction.
To comply with the law of conservation of mass.
To make the equation look neat.
To ensure the reaction is fast.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in balancing a chemical equation?
Removing elements that are in excess.
Adding new elements to the equation.
Counting the number of atoms for each element.
Changing the subscripts of the compounds.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When counting atoms, which type of elements should be considered first?
Non-metals
Gases
Liquids
Metals
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you balance non-metals in a chemical equation?
By adjusting the coefficients.
By adding more reactants.
By changing the subscripts.
By removing products.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of correctly adjusting the coefficients in a chemical equation?
The equation becomes unbalanced.
The equation becomes balanced.
The equation becomes longer.
The equation becomes shorter.
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