Chemical Equations Practice
Authored by Stacy Magee
Chemistry
7th Grade
NGSS covered
Used 59+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which drawing below represents this chemical formula?
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which drawing below represents this chemical formula?
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When copper reacts with oxygen gas in the air, it turns into copper oxide. What is/are the reactant(s) in this reaction?
Copper
Oxygen Gas
Copper Oxide
Copper AND Oxygen Gas
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Aluminum oxide can be broken down into aluminum and oxygen gas. When this reaction takes place, what is/are the reactant(s)?
Aluminum oxide
Aluminum
Oxygen Gas
Aluminum AND Oxygen Gas
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
4 molecules of Hydrogen Gas (H₂) react with 2 molecules of Oxygen Gas (O₂) to make some Water (H₂O). How many molecules of water will this reaction make?
1
2
3
4
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which equation below is balanced?
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which of the following statements is TRUE about the equation below?
The equation IS balanced because there are 2 atoms of Nitrogen and 5 atoms of Hydrogen on each side of the equation.
The equation is NOT balanced because there are 6 atoms of Hydrogen in the reactants, but only 3 atoms of Hydrogen in the products.
The equation IS balanced because there are 2 atoms of Nitrogen and 6 atoms of Hydrogen on each side of the equation.
The equation is NOT balanced because there are 5 atoms of Hydrogen in the reactants, but only 3 atoms of Hydrogen in the products.
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
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