Chemistry Spring Semester Exam Review
Authored by CASSIDY MILLER
Chemistry
9th - 11th Grade
NGSS covered
Used 86+ times
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33 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the Law of Conservation of Mass, the total mass of the reactants is
always more than the total mass of the products
always less than the total mass of the products
always equal than the total mass of the products
sometimes more and sometimes less than the total mass of the product
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classify the type of reaction for the following Chemical Reaction:
___ Mg + ___ N2 ---> ___ Mg3N2
Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the correct coefficients for the equation below?
___ Mg + ___ N2 ---> ___ Mg3N2
1, 2, 5
3, 1, 1
3, 0, 0
6, 2, 2
3, 2, 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classify the type of reaction for the following Chemical Reaction:
___ NaNO3 → ___ NaNO2 + ___ O2
Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the correct coefficients for the equation below?
___ NaNO3 → ___ NaNO2 + ___ O2
2, 2, 1
2, 1, 3
1, 1, 2
3, 1, 3
2, 2, 0
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is true about Molar Mass?
It is the mass of one mole of any substance.
Molar Mass is the mass of all of the large, flat teeth at the back of your mouth.
It refers to the weight of volcanic rocks.
It is the concentration of a solution of salt water.
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of atoms in 1 mole of carbon is
5.022 x 1023 atoms
6.022 x 1023 atoms
6.022 x 1021 atoms
5.022 x 1022 atoms
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