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Chemistry 2022 (ALL)

Total questions: 141

Worksheet time: 2hrs 35mins

Name
Class
Date
1.
Matter is describe as 
a)
something that has color
b)
something that takes up space and has mass
c)
something that has size
d)
something that feels a certain way. 
2.

In which phase of matter do atoms vibrate in place without moving?

a)

Liquid

b)

Solid

c)

Gas

d)

None of these

3.

Which phase of matter has no definite shape or volume?

a)

Solid

b)

Liquid

c)

Gas

d)

All of the above

4.

Which phase of matter has a definite volume and takes the shape of its container?

a)

Liquid

b)

Solid

c)

Gas

d)

None of these

5.

How are the particles in each state of matter different?

a)

The particles are different sizes

b)

The particles are different materials

c)

The particles are different shapes

d)

The particles are arranged differently

6.

Ms. Reynold's class is trying to model with their bodies how water particles move in a bowl of liquid water. How should the students move to BEST model this motion?

a)

Stay close together and move about slowly

b)

Walk past each other slowly while some students stay in place

c)

Run around and remain as far apart from each other as possible

d)

Sit down on the ground, holding hand tightly, and try not to move

7.

Mass is lost when it changes from state to state.

a)

True

b)

False

8.

Mass is the total amount of matter in an object.

a)

True

b)

False

9.

Identify the state of matter.

a)

Solid

b)

Liquid

c)

Gas

d)

None of these

10.

Identify the state of matter.

a)

Solid

b)

Liquid

c)

Gas

d)

None of these

11.

Particles are packed very tightly with each other in a ______.

a)

Liquid

b)

Solid

c)

Gas

d)

Plasma

12.

Snow ______ to form water.

a)

Melts

b)

Condenses

c)

Freeze

d)

Evaporate

13.

All matter is made up of....

a)

molecules

b)

atoms

c)

dust particles

14.

Atoms are extremely...

a)

small

b)

large

15.
Matter that has its own shape and takes up space.
a)
solid
b)
liquid
c)
gas
16.
Matter that always fills the shape in a container, such as air.
a)
solid
b)
liquid
c)
gas
17.
Molecules are closest together in a 
a)
Solid
b)
Liquid
c)
Gas
d)
plasma
18.
What term describes a liquid changing to a solid?
a)
Deposition
b)
Sublimation
c)
Evaporation
d)
Freezing
19.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
20.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
21.

Which state of matter does not have a definite shape but does have a definite volume?

a)

Solid

b)

Liquid

c)

Gas

22.

What is the process called when a gas turns into a liquid?

a)

Condensation

b)

Melting

c)

Freezing

d)

Evaporation

23.

What is the process called when a solid changes to a liquid?

a)

Freezing

b)

Evaporation

c)

Melting

d)

Condensation

24.

What is the process called when a liquid changes into a gas?

a)

Freezing

b)

Evaporation

c)

Melting

d)

Condensation

25.
The drops of water that appear on the outside of a glass of cold juice on a warm day are an example of?
a)
sublimation
b)
condensation
c)
evaporation
26.
What is evaporization?
a)
a gas becoming a liquid
b)
a liquid becoming a solid
c)
a gas becoming a solid
d)
a liquid becoming a gas
27.
______________________ takes place when a liquid changes to a solid.
a)
freezing
b)
melting
c)
boiling
d)
sublimation
28.
7. All phase changes (changing states) requires energy to be added or taken away.
a)
True
b)
False
29.
The phase change from water vapor to liquid water is known as...
a)
evaporation
b)
precipitation
c)
condensation
d)
sublimation
30.
What happens to particles when they are heated?
a)
They speed up and spread out
b)
They slow down and compress
c)
They stop moving
d)
They move closer together and speed up
31.
What is sublimation?
a)
phase change between solid and liquid
b)
pahse change from gas to solid
c)
phase change from solid to gas
d)
phase change from solid to solid
32.
Melting is ...
a)
liquid to solid
b)
solid to liquid
c)
solid to gas
d)
gas to liquid
33.
Freezing is...
a)
Solid to gas
b)
Liquid to solid
c)
Gas to solid
d)
Liquid to gas
34.
a liquid will take the shape of a container but cannot expand or be compressed
a)
false
b)
true
35.
Do all matter have the same boiling, melting, and freezing points
a)
Yes
b)
No
36.
What term describes a solid changing to a gas?
a)
Deposition
b)
Sublimation
c)
Evaporation
d)
Freezing
37.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
38.
When the temperature of matter decreases the particles ...
a)
speed up and move farther apart
b)
speed up and move closer together
c)
slow down and move farther apart
d)
slow down and move closer together
39.
Which change can occur when  you add heat energy to water?
a)
The water can change from a liquid to a solid
b)
The water can change from a gas to a liquid
c)
The water can change from a liquid to a gas
d)
The water can change from a solid to a liquid
40.
During the process of condensation, a gas is _______ down to a liquid.
a)
getting 
b)
smelling
c)
heating
d)
cooling
41.
When a solid changes into a liquid, it is called ......
a)
freezing
b)
sublimation
c)
melting
d)
boiling
42.
When a gas changes into a liquid, it is called ......
a)
evaporation
b)
condensation
c)
melting
d)
freezing
43.
When a liquid loses enough energy it changes phase to a _____.
a)
solid
b)
liquid
c)
gas
d)
Mr.C
44.

What is true about the number of particles in the Popsicle and the melted Popsicle

a)

There are fewer particles after warming the Popsicle.

b)

There are more particles after warming the Popsicle.

c)

There are the same amount of particles after warming the Popsicle.

45.

Which process is happening to Sample B?

a)

evaporation

b)

condensation

c)

boiling

d)

melting

46.

Which sample is changing state from liquid to a gas?

a)

Sample A

b)

Sample B

c)

Both

d)

Neither

47.

Which phase change is happening?

a)

Sublimation

b)

Vaporization

c)

Melting

d)

Condensation

48.

Which phase change is happening?

a)

Sublimation

b)

Deposition

c)

Melting

d)

Condensation

49.

Which phase change is happening?

a)

Melting

b)

Deposition

c)

Freezing

d)

Condensation

50.

Which phase change is happening?

a)

Freezing

b)

Deposition

c)

Melting

d)

Condensation

51.

Which phase change is happening?

a)

Melting

b)

Deposition

c)

Freezing

d)

Sublimation

52.

Lighting a Match

a)

Physical Change

b)

Chemical Change

53.

Melting Ice Cream

a)

Physical Change

b)

Chemical Change

54.

Blowing up a balloon

a)

Physical Change

b)

Chemical Change

55.

Rotting banana

a)

Physical Change

b)

Chemical Change

56.

Cooking Pancakes

a)

Physical Change

b)

Chemical Change

57.

Crumpling Paper

a)

Physical Change

b)

Chemical Change

58.

Rusting Nail

a)

Physical Change

b)

Chemical Change

59.

Cutting a banana

a)

Physical Change

b)

Chemical Change

60.

Evaporating Water

a)

Physical Change

b)

Chemical Change

61.

Burnt toast

a)

Physical Change

b)

Chemical Change

62.

Adding baking soda to vinegar

a)

Physical Change

b)

Chemical Change

63.

separating sand from gravel

a)

physical

b)

chemical

64.

baking a cake

a)

physical

b)

chemical

65.

State (whether it is a solid, liquid or gas)

a)

PHYSICAL PROPERTY

b)

CHEMICAL PROPERTY

66.

The temperature at which the substance freezes or boils

a)

PHYSICAL PROPERTY

b)

CHEMICAL PROPERTY

67.

Density (how heavy it is compared to other substances of the same size)

a)

PHYSICAL PROPERTY

b)

CHEMICAL PROPERTY

68.

Solubility (whether the substance dissolves in different liquids)

a)

PHYSICAL PROPERTY

b)

CHEMICAL PROPERTY

69.

Conductivity (its ability to let heat or electricity pass through it)

a)

PHYSICAL PROPERTY

b)

CHEMICAL PROPERTY

70.

Combustibility (whether the substance burns or explodes in oxygen)

a)

PHYSICAL PROPERTY

b)

CHEMICAL PROPERTY

71.

Corrosion (whether the substance rusts or corrodes)

a)

PHYSICAL PROPERTY

b)

CHEMICAL PROPERTY

72.

What is underlined in the chemical equation below?

Na + Cl ---> NaCl

a)

Products

b)

Reactants

73.

In the chemical equation below, the product is....

Na + Cl ---> NaCl

a)

Na

b)

NaCL

c)

Cl

d)

NaCl

74.

Select all the Reactants

a)
b)
c)
75.

Select all the reactants

a)
b)
c)
76.

Select all the products

a)
b)
c)
77.

Select all the Products

a)
b)
c)
78.

What is underlined in the chemical equation below?

Na + Cl ---> NaCl

a)

Products

b)

Reactants

79.
Substances that form as the result of a chemical reaction
a)
products
b)
reactants
c)
coefficients
d)
subscripts
80.
Substances present at the start of a chemical reaction
a)
subscripts
b)
coefficients
c)
reactants
d)
products
81.
The rate of a reaction increases as temperature__________________.
a)
Decreases
b)
Increases
c)
Stays the Same
82.
The ___________ the surface area of the reactants, the faster the reaction rate.
a)
larger 
b)
smaller
83.
Increasing the concentration of the reactants will slow down the reaction.
a)
false 
b)
true
84.

In a chemical reaction, if the reactants are heated, the reaction usually happens

a)

slower

b)

faster

c)

at the same rate

d)

in a smaller volume

85.
What is the rate of reaction?
a)
How fast a reaction is 
b)
How big a reaction is
c)
How loud a reaction is
d)
How much gas a reaction produces
86.

Why does a higher concentration increase the rate of reaction?

a)

it increases the amount of reactants

b)

it lowers the activation energy

c)

it increases the energy of reactant particles

d)

it increases the frequency of collision

87.
What is the rate of reaction?
a)
How fast a reaction is 
b)
How big a reaction is
c)
How loud a reaction is
d)
How much gas a reaction produces
88.

Grinding an effervescent tablet into powder increases the rate of reaction due to increase of

a)

concentration

b)

total surface area

c)

temperature

d)

size

89.

Which factors increase the rate of a reaction?

a)

increasing temperature

b)

increasing concentration

c)

increasing total surface area

d)

All of these

90.

You add more bodies into a "mosh pit" to hope for more collisions. You have increased

a)

temperature

b)

concentration

c)

pressure

d)

catalyst

91.

Which one shows that a chemical reaction has occurred?

a)

dissolving

b)

melting

c)

formation of a gas

d)

bending

92.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
93.

Hard-boiled eggs are the a result of a chemical change because

a)

the eggs are the same size before vs after.

b)

the eggs have different properties (smell, taste, color) before vs after.

c)

the eggs weigh the same before vs after.

d)

the eggs went through a phase change.

94.

On a camping trip, Mr. Markowitz roasts a marshmallow in the campfire. He notices that the roasted marshmallow smells and tastes differently than the uncooked marshmallows. What change has taken place AND how does Mr. Markowitz know?

a)

A chemical change because the marshmallow changed in taste, color, and smell

b)

A chemical change because the marshmallow was heated up.

c)

Only a physical change because the marshmallow changed in size

d)

No change because the marshmallow is not a new substance

95.

You have 2 chemicals, CHEMICAL A and CHEMICAL B. They are both liquids. When you combine them you notice some crystals starting to form within them. Did a chemical reaction occur?

a)

Yes

b)

No

96.

You have a large glass of water and you stir salt into it until all the salt completely dissolves. Is this a chemical reaction?

a)

Yes

b)

No

97.

Which one shows that a chemical reaction has occurred?

a)

Melting

b)

Bending

c)

Dissolving

d)

Formation of a Gas

98.

What is the BEST definition of a chemical reaction?

a)

A change in matter that produces one or more NEW substances

b)

When two things combine and EXPLODE.

99.

What is a chemical reaction?

a)

A very boring change in matter

b)

A change in matter when matter changes its form or appearance

c)

A change in matter when the physical appearance changes

d)

A change in matter when the molecules rearrange to make new molecules

100.
Evidence of a chemical reactions is anything that shows - 
a)
a new substance has formed
b)
a solid dissolved in a liquid
c)
interaction between 2 gases
d)
a change in the state of matter
101.
Which of the following describes a precipitate?
a)
a liquid forms when a block of metal is heated
b)
a solid forms when one liquid is poured into another
c)
a gas forms when a solid is placed in a liquid
d)
bubbles form when an acid is poured on a rock
102.
You know you a chemical reaction has occurred if 
a)
there is a precipitate.
b)
there is a color change.
c)
there is a temperature change.
d)
All of these answers are evidence.
103.
Four students performed four different investigations by combining different substances. Which of the observations is most indicative of a chemical reaction?
a)
investigation 1
b)
investigation 2
c)
investigation 3
d)
investigation 4
104.

Which is not a chemical reaction?

a)

Mixing baking soda and vinegar, bubbles are formed

b)

Boiling water, bubbles are formed

c)

Alkaseltzer tablet in water, bubbles are formed

d)

Cake baking in over, bubbles are formed

105.

Mixing silver nitrate and sodium chloride in water will cause silver chloride to precipitate out of solution. In this example, the precipitate is silver chloride. Which example represents the formation of a precipitate?

a)

Heat and light are produced when paper burns.

b)

White chunks form when you add vinegar to milk or heavy cream.

c)

Gas is released when vinegar and baking soda are mixed together.

d)

A cut apple turns brown when left out in the open air.

106.

Students were investigating two clear solutions.  Students added 2 mL of one solution to a beaker of the other solution.  The result is pictured.

A student observed that the temperature of the beaker did not have any noticeable changes, however the mass of the substances in the beaker increased.  A red precipitate formed where the substance was poured into the beaker.  The precipitate separated from the solution and fell to the bottom of the beaker.Which observation provides the best evidence that a chemical change formed a new substance in the beaker?

a)

A precipitate is formed.

b)

The precipitate fell to the bottom.

c)

The temperature did not change.

d)

There is an increase in mass.

107.

Two liquids are mixed together.  Which of the following does NOT identify the formation of a new substance?

a)

A gas is produced.

b)

One liquid dissolves into the other.

c)

The temperature changes.

d)

A solid is formed.

108.

Which column in the table includes only chemical changes?

a)

A

b)

B

c)

C

d)

D

109.
Anything that has mass & takes up space
a)
gravity
b)
force
c)
matter
d)
volume
110.
Substances that form as the result of a chemical reaction
a)
products
b)
reactants
c)
coefficients
d)
subscripts
111.
Substances present at the start of a chemical reaction
a)
subscripts
b)
coefficients
c)
reactants
d)
products
112.

The Law of Conservation of Mass says that matter can neither be __________ or __________.

a)

created; destroyed

b)

recycled; renewed

c)

subtracted; added

d)

joined; separated

113.

According to the Law of Conservation of Mass, what happens to the wood and oxygen when it is burned?

a)

The wood disappears.

b)

It stays the same chemically.

c)

The atoms in the wood and oxygen rearrange and form smoke and ash.

d)

Nothing.

114.
A 55-gram egg is placed in a pot. After the egg is boiled, which is most likely the mass of the egg?
a)
50 
b)
55 
115.
In a reaction A + B ----> C,  reactant A has 5g and product  C has 9g. How many grams does reactant B should have? 
a)
4g
b)
5g
c)
9g
d)
14g
116.
Jason poured 500 grams of water into a container and tightly sealed it. The water was allowed to freeze. Which is most likely true about the ice that formed?
a)
The mass of the ice is the same as the mass of the water.
b)
The mass of the ice is greater than the mass of the water.
c)
The ice formed is a different substance than the water.
d)
The ice formed is the same temperature as the water.
117.
Matter can not be created nor destroyed: it can only be
a)
Destroyed a little bit
b)
Invisible
c)
Transformed, changed
d)
None of the above
118.
If reaction starts with 20g of reactants it should produce 
a)
a total of 40g of products
b)
a total of 10g of products
c)
a total of 80 g of products
d)
a total of 20g of products
119.
Jamie weighs a glass of water and observes its weight to be 12 ounces. Jamie then adds 6 ice cubes to the glass of water. Each ice cube weighs one ounce. After all of the ice cubes have melted, what will be theapproximate weight of the glass of water?
a)
6 
b)
12 
c)
18 ounces
120.

All the matter is made up of

a)

Atoms

b)

Mixtures

c)

Compounds

d)

Reactions

121.

Which of the models of a chemical reaction best represents the Law of Conservation of Mass?

a)

A

b)

B

c)

C

d)

D

122.

Which of the models of a chemical reaction best represents the Law of Conservation of Mass?

a)

A

b)

B

c)

C

d)

D

123.

Does the image correctly represent the Law of Conservation of Mass?

a)

yes

b)

no

124.

When a log is burned, what happens to the wood?

a)

The mass stays the same, but becomes smoke and ash.

b)

It disappears.

c)

The mass changes as it goes away.

d)

Nothing. You're imagining things.

125.
In an exothermic reaction, heat is ...
a)
taken in
b)
given out
126.

In an endothermic reaction, heat is ...

a)

taken in

b)

given out

127.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
128.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 
a)
Warm
b)
Cold
129.
Baking bread and cooking an egg are examples of....?
a)
Endothermic processes
b)
Exothermic processess
c)
None of these 
130.
What type of reaction is shown in the photo?
a)
Exothermic
b)
Isothermic
c)
Endothermic
d)
None of the  above
131.

What type of reaction occurs in a hand warmer?

a)

exothermic

b)

endothermic

132.
Is photosenthysis an Exothermic or an Endothermic reaction?
a)
Endothermic
b)
Exothermic
133.

_____ reactions usually feel hot!

a)

endothermic

b)

exothermic

134.

Which of the following are examples of an Exothermic Reaction?

a)

Cooking an egg

b)

Plants making sugar through photosynthesis

c)

Dynamite exploding

135.

What is an endothermic reaction?

a)

a reaction that gives off heat/energy

b)

a reaction that takes in heat/energy

136.

The prefix "endo" means

a)

"in"

b)

"out"

c)

"up"

d)

"down"

137.

The prefix "exo" means

a)

"in"

b)

"out"

c)

"up"

d)

"down"

138.

An endothermic reaction will make its environment feel

a)

warmer.

b)

cooler.

139.

An exothermic reaction will make its environment feel

a)

warmer.

b)

cooler.

140.

Fireworks are an _____ reaction.

a)

EXOthermic

b)

ENDOthermic

141.

A chemist is doing an ENDOthermic reaction. The starting temperature was 25 degrees Celsius. Which of the following would be a reasonable ending temperature

a)

44 degrees

b)

30 degrees

c)

15 degrees

d)

25 degrees

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