Chemical Equations and Conservation of Mass
Authored by Cheri Allen
Chemistry
7th Grade
NGSS covered
Used 618+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In a chemical equation, what are the substances on the left side of the arrow called?
yields (results in)
products
reactants
chemicals
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In a chemical equation, what are the substances on the right side of the arrow called?
yields (results in)
products
reactants
chemicals
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In a chemical equation, what does the arrow mean?
yields (results in)
products
reactants
chemicals
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the term for the starting materials of a chemical reaction?
matter
reactants
products
chemical equation
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the term for the end materials of a chemical reaction?
matter
reactants
products
chemical equation
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In this chemical equation what does the 3 before the H2 mean?
3 hydrogen (H) atoms
3 hydrogen (H2) molecules
3 ammonia (NH3) molecules
the reaction occurs 3 times
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In this chemical equation what does the 2 after the N (in N2) mean?
2 nitrogen (N) atoms
2 nitrogen (N2) molecules
2 ammonia (NH3) molecules
the reaction occurs 2 times
Tags
NGSS.MS-PS1-1
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