
Quiz: The Nature of Chemical Reactions Ch 7

Quiz
•
Others
•
9th - 12th Grade
•
Easy

Channing Hinkle
Used 4+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is not a sign of a chemical reaction?
A gas is given off.
The material dissolves.
Heat is released.
A color change occurs.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The substance that is formed in a chemical reaction is called the
polymer
reactant
radical
product
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following stores chemical energy?
the temperature of a substance
the density of a substance
the bonds of a molecule
the nucleus of an atom
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following occurs in an endothermic reaction but not in an exothermic reaction?
Chemical bonds are broken.
Energy is absorbed.
Molecules are formed.
Atoms are rearranged.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A type of reaction that produces an increase in temperature is
endothermic
exothermic
covalent
nonpolar
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An example of an endothermic reaction is
bioluminescence by a firefly
an exploding firecracker
burning gasoline
photosynthesis by a plant
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A reaction in which the products contain more chemical energy than the reactants is
exothermic
electrical
endothermic
exergonic
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