Chem Eoc

Chem Eoc

8th - 12th Grade

•

63 Qs

quiz-placeholder

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Chem Eoc

Chem Eoc

Assessment

Quiz

•

Chemistry

•

8th - 12th Grade

•

Practice Problem

•

Hard

•
NGSS
HS-PS1-7, HS-PS1-1, HS-PS1-2

+7

Standards-aligned

Created by

Charles Martinez

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63 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When a scientist mixed two chemicals, an exothermic reaction takes place. Which of the following would be proof that the reaction was exothermic?

a change of color
a change of state
a temperature decrease
a temperature increase

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-4

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is a chemical change?

water freezes to form ice
sugar dissolves in water
gasoline burns in a car engine
a piece of metal expands when it is heated

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the reaction methane + oxygen turns into carbon dioxide + water, the methane and oxygen are called _______________.

reactants
products
neutrals
energizers

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A change in the shape of an object is an example of _________________.

a chemical change
energy
an endothermic change
a physical change

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Increasing the concentration of a reactant in a chemical reaction will _____________.

decrease the rate of the reaction
stop the reaction from happening
increase the rate of the reaction
have no effect on the rate of the reacion

Tags

NGSS.HS-PS1-5

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In any chemical reaction, the mass of the products is always:

slightly less than the mass of the reactants
much less than the mass of the reactants
the same as the mass of the reactants
greater than the mass of the reactants

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Raising the temperature of a chemical reaction would make the reaction __________________.

happen slower
happen faster
stop completely
proceed as normal

Tags

NGSS.HS-PS1-5

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