
Balancing Chemical Equations Concepts

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

Aiden Montgomery
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in balancing a chemical equation?
Add coefficients randomly
Count the atoms on each side
Change the chemical formulas
Remove atoms from the equation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many copper atoms are present on the reactant side of the equation?
Three
One
Two
None
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of hydroxide ions on the reactant side?
Four
Three
Two
One
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ions are considered as a single unit in the equation?
Copper ions
Sulfate ions
Calcium ions
Hydroxide ions
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the equation already balanced without further adjustments?
Because the products are more stable
Due to the equal number of atoms on both sides
Because of the charge swapping between ions
Because the reactants are in excess
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What charge does copper have in this equation?
+1
+2
0
-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the balanced chemical equation for the reaction discussed?
CuSO4 + Ca(OH)2 → CaSO4 + CuOH
CuSO4 + CaOH → CaSO4 + CuOH
CuSO4 + Ca(OH)2 → CaSO4 + Cu(OH)2
CuSO4 + CaOH2 → CaSO4 + CuOH2
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