Chemical Reactions Group Quiz 2022
Authored by Sean Krieg
Science
8th Grade
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13 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following models demonstrates the "Law of Conservation of Mass" ?
F
G
H
J
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following BEST describes a chemical reaction?
A compound is crushed into a fine powder.
Atoms break apart into protons, electrons, and neutrons
Atoms are rearranged into new substances
Molecules move faster until they fly apart from each other
3.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Which of these is a sign that a chemical change has occurred?
A change in size
An unexpected color change
A temperature change
A change of state
Bubbles or gas produced
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The Law of Conservation of Mass states
that matter exists in all states and reacts the same
that matter can only be changed into new substances by introducing a catalyst
that matter exists in the same state throughout any chemical change
that matter cannot be created or destroyed and that the mass of the products must equal the mass of the reactants
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The materials BEFORE a chemical reaction are called the....
Reactants
Products
Quotient
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The materials AFTER a chemical reaction are called the....
Reactants
Products
Quotient
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction is shown in the photo?
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