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What is not an example of matter?
air
heat
smoke
water vapor

heat

a golf ball has more mass than a tennis ball becuase it....

contains more matter

an example of an extensive property of matter is...
temperature
pressure
mass
hardness

mass

all of following are physical properties of matter except....
mass
color
melting point
ability to rust

ability to rust

which of the following is NOT a physical property of matter?
It has a boiling point of 100'C
Its a colorless liquid
It is composed of hydrogen and oxygen
sugar dissolves it

it is composed of hydrogen and oxygen

which of the following are considered physical properties of a substance?
-color and odor
-melting and boiling points
-malleability and hardness
-all of the above

all of the above

a vapor is what state of matter

gas

a substance that forms a vapor is generally in what physical state at room temperature

liquid or solid

what state of matter has a definite volume and takes the shape of its container

liquid

which state of matter takes both the shape and volume of its container

gas

which state of matter is characterized by having an indefinite shape , but a definite volume

liquid

which state of matter is characterized by having a definite shape and definite volume

solid

which state of matter expands when heated and is easy to compress

gas

all of the following are physical properties of a substance in the liquid except?
indefinite volume
definite mass
not easily compressed
indefinite shape

indefinite volume

which of the following is a physical change?
corrosion
explosion
evaporation
rotting of food

evaporation

which of the following cannot be classified as a substance?
table salt
air
nitrogen
gold

air

which of the following is a heterogeneous mixture
air
salt water
steel
soil

soil

which of the following cannot be considered a single phase?
a pure solid
a pure liquid
a homogeneous mixture
a heterogeneous mixture

a heterogeneous mixture

which of the following is true about homogeneous mixtures?
They are known as solutions
they consist of two or more phases
-they have composistions that never vary
they are always liquids

they are known as solutions

Which of the following is a heterogeneous mixture?
A) vinegar in water
B) milk
C) oil and vinegar
D) air

oil and vinegar

Which of the following is a homogeneous mixture?
A) salt water
B) beef stew
C) sand and water
D) soil

salt water

Separating a solid from a liquid by evaporating the liquid is called ____.
A) filtration
B) condensation
C) solution
D) distillation

distillation

An example of a homogeneous mixture is ____.
A) water
B) stainless steel
C) noodle soup
D) oxygen

stainless steel

Which of the following items is NOT a compound?
A) baking soda
B) salad dressing
C) sucrose
D) table salt

salad dressing

Which of the following is true about compounds?
A) They can be physically separated into their component elements.
B) They have compositions that vary.
C) They are substances.
D) They have properties similar to those of their component elements

they are substances

A substance that can be separated into two or more substances only by a chemical change is a(n) ____.
A) solution
B) element
C) mixture
D) compound

compound

Which of the following materials is a substance?
A) air
B) gasoline
C) stainless steel
D) silver

silver

What is one difference between a mixture and a compound?
A) A compound consists of more than one phase.
B) A compound can only be separated into its components by chemical means.
C) A mixture can only be separated into its components by chemical means.
D) A mixture must be uniform in composition.

a compound can only be separated into its components by chemical means

What distinguishes a substance from a mixture?
A) Substances are compounds, and mixtures are not.
B) Mixtures are groupings of elements, and compounds are not.
C) Samples of the same substance can have different intensive properties.
D) Mixtures can be separated physically, while compounds cannot.

mixtures can be separated physically, while compounds cannot

Which of the following is a chemical property?
A) color
B) hardness
C) freezing point
D) ability to react with oxygen

ability to react with oxygen

Which of the following is NOT a physical change?
A) grating cheese
B) melting cheese
C) fermenting of cheese
D) mixing two cheeses in a bowl

fermenting of cheese

Which of the following does NOT involve a physical change?
A) mixing
B) melting
C) grinding
D) decomposing

decomposing

Which of the following processes does NOT involve a change in chemical properties?
A) rusting
B) fermenting
C) boiling
D) burning

boiling

A chemical change occurs when a piece of wood ____.
A) is split
B) is painted
C) decays
D) is cut

decays

Which of the following is a chemical property of water at 4C?
A) its color
B) its state
C) its temperature
D) its ability to decompose into hydrogen and oxygen

its ability to decompose into hydrogen and oxygen

What must be done to be certain that a chemical change has taken place?
A) Check for the production of bubbles before and after the change.
B) Demonstrate that a release of energy occurred after the change.
C) Check the composition of the sample before and after the change.
D) Demonstrate that energy was absorbed by the reactants after the change

check the composition of the sample before and after the change

Which of the following does NOT involve a physical change?
A) mixing
B) melting
C) grinding
D) decomposing

decomposing

When paper turns yellow-brown upon exposure to sunlight, what type of change is likely taking place?
A) a physical change
B) a chemical change
C) neither a physical change nor a chemical change
D) both a physical change and a chemical change

a chemical change

Which of the following indicates that a chemical change has happened during cooking?
A) The food darkens.
B) Bubbles form in boiling water.
C) Butter melts.
D) Energy is transferred from the stove to a pan.

the food darkens

Which of the following does NOT indicate that a chemical change may have taken place?
A) fracture formation
B) gas production
C) precipitate formation
D) energy transfer

fracture formation

Which action changes the identity of the substance referenced?
A) melting gold
B) running an electric current through copper
C) corroding iron
D) breaking an ice cube

corroding iron

What happens to matter during a chemical reaction?
A) Matter is neither destroyed or created.
B) Some matter is destroyed.
C) Some matter is created.
D) Some matter is destroyed and some is created.

matter is neither destroyed or created

Which of the following is true for all chemical reactions?
A) The total mass of the reactants increases.
B) The total mass of the products is greater than the total mass of the reactants.
C) The total mass of the products is less than the total mass of the reactants.
D) The total mass of the reactants equals the total mass of the products.

the total mass of the reactants equals the total mass of the products

When an iron nail is ground into powder, its mass ____.
A) stays the same
B) decreases
C) increases
D) cannot be determined

stays the same

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