9/34 Conservation of Mass Practice
8th Grade
•18 Qs
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9/34 Conservation of Mass Practice
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
Standards-aligned
Cindy Alvear
Used 6+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many Nitrogen (N) atoms are in 4NH3?
4
1
3
12
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the equation shown, what are the reactant(s)?
N2 + H2
NH3
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Coefficient (3) in the Chemical Formula, 3H2O, tells you how many _____________ there are.
Atoms of Hydrogen
Atoms of Oxygen
Atoms of Water
Molecules of Water
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many oxygen atoms are in this chemical formula?
6 oxygen atoms
2 oxygen atoms
3 oxygen atoms
4 oxygen atoms
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a reaction starts with a total 75g of reactants it should produce
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many different elements does PbNO3 have?
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For the equation:
2H2 + O2 --> 2H2O
How much H2O will be produced if we react 4g of H2 and 32g of O2?
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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