Topic 4: Modeling Conservation of Mass
Authored by Vanessa Prindle
Chemistry
8th Grade
NGSS covered
Used 15+ times
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34 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
There are 2 g worth of products in a chemical reaction. How many were needed in the reactant stage
2 g
13 g
6.5 g
8 g
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does Law of Conservation say about matter
That the amount of matter changes in a chemical reaction.
That the amount of matter doubles in a chemical reaction.
That the amount of matter stays the same in a chemical reaction.
That the amount of matter halves in a chemical reaction.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the number of atoms as it goes through a chemical reaction
Doubles
Changes
Stays the same
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a reaction produces a gas, does the reaction overall lose mass
No the mass is still in the solid
No the mass is conserved in the gas
Yes the mass will go down when the gas leaves
Yes the mass will go up when the gas leaves
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If 45g of reactants go through a reaction how much product will be produced?
20g
15g
35g
45g
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In this chemical equation , CH4 and 2O2 are called the...
Products
Reactants
Coefficient
Subscript
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In this chemical equation , CO2 and 2H2O are called the...
Products
Reactants
Coefficient
Subscript
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-1
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