Quiz: The Nature of Chemical Reactions Ch 7

Quiz: The Nature of Chemical Reactions Ch 7

9th - 12th Grade

40 Qs

quiz-placeholder

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Quiz: The Nature of Chemical Reactions Ch 7

Quiz: The Nature of Chemical Reactions Ch 7

Assessment

Quiz

Others

9th - 12th Grade

Easy

Created by

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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