No student devices needed. Know more
48 questions
Which of the following is NOT matter?
a chair
air
light
water
Which of the following is NOT a property of matter?
inertia
occupies space
composed of elements
weightlessness
Which of the following may be heterogeneous? HINT: Look at the concept map from the notes.
elements only
compounds only
mixtures only
elements and compounds
Which of the following is pure?
elements only
compounds only
mixtures only
elements and compounds
Which of the following consists of more than one substance?
elements only
compounds only
mixtures only
elements and compounds
Which of the following are types of matter?
elements only
compounds only
mixtures only
all of these
Which of the following is a type of mixture?
elements only
compounds only
solutions only
elements and compounds
Which of the following is matter?
love
ideas
rock
heat
The tendency of matter to maintain its state of motion is known as
density
inertia
mass
volume
Which of the following is NOT composed of two or more types of atoms?
element
compound
solution
mechanical mixture
Which represents a homogeneous mixture?
Sugar
bowl of chili
Salt Water
Chicken Noodle Soup
Which substance can be decomposed by a chemical change?
Ammonia [NH3]
Iron [Fe]
Argon [Ar]
Helium [He]
1
3
2
4
Which diagram represents a compound? *Compounds have to have two or more different atoms chemically combined.
1
3
2
4
The symbol for potassium is
P
K
Sn
Po
A substance that cannot be broken down into simpler substances during a chemical reaction is a[n]
element
compound
mixture
none of these
Which of the following is NOT an element?
oxygen (O2)
nitrogen (N2)
lead (Pb)
sodium chloride (NaCl)
Which of the following is the correct symbol for copper?
Co
Cu
CU
cu
The smallest particle of an element is a[n]
atom
molecule
compound
ion
Water can be broken down into hydrogen and oxygen. This is evidence that water is NOT a[n]
compound
molecule
element
mixture
The symbol for silver is
Si
S
Au
Ag
Hg is the symbol for
hydrogen
mercury
tin
sodium
The symbol for cadmium is
Cd
Ca
C
Cm
Mg is the symbol for
manganese
mercury
silver
magnesium
An example of a substance that can be decomposed by a chemical change is
ammonia [NH3]
argon [Ar]
antimony [Sb]
arsenic [As]
Which substance can not be decomposed by a chemical change?
mercury (II) oxide [HgO]
water [H2O]
potassium chlorate KClO3]
copper [Cu]
Which of the following substances can not be decomposed by chemical change?
sulfuric acid [H2SO4]
water [H2O]
ammonia [NH3]
argon [Ar]
In the formula for water, H2O, the number 2 refers to the number of
hydrogens and oxygens
waters
hydrogens only
oxygens only
The matter in a container is composed of hydrogen and oxygen. When the contents of the container are added to a fire, the fire goes out. This shows that the hydrogen and oxygen in the container are
mixed to form a solution
mixed to form an emulsion
chemically combined to form a compound
separate elements
A compound consists of
two atoms of the same element chemically combined
two or more atoms of different elements NOT chemically combined
two or more atoms of different elements chemically combined
two or more substances
A bottle of green food coloring, which was left standing on a shelf for a long time, separated into distinct blue and yellow layers. The food coloring was most likely
an element
a compound
a mixture
changing phase
Which of the following is a mixture?
salt [NaCl]
silver [Ag]
soup [Noodles, chicken broth, celery, etc.]
sugar [C12H22O11]
1. The separation technique shown in the diagram above is
filtration
distillation
chromatography
recrystallization
The separation of substances in a mixture depends on the fact that the substances in the mixture
have different properties
are chemically combined
have large particles
show the Tyndall effect
A mixture of sand and salt is separated using the apparatus shown at the right by pouring water through the mixture. What material will be found in the filtrate after pouring water through the mixture?
sand and saltwater
water only
salt only
saltwater only
The liquid portion of a mixture is recovered during distillation by
solar evaporation
recrystallization
chromatography
condensation
The water in a swimming pool is kept free of debris by the process of
simple crystallization
fractional distillation
filtration
chlorination
A filter is able to separate mixtures because it is
porous
homogeneous
heterogeneous
impermeable
The separation of mixtures based on the different boiling points of the components of the mixture is called
chromatography
distillation
filtration
recrystallization
The best method of separation to use for separating starch and water is? *Starch does not dissolve in water.
CHROMATOGRAPHY
DISTILLATION
FILTRATION
SIMPLE CRYSTALLIZATION
The best method of separation to use for separating chlorophyll and the other pigments in a leaf is?
CHROMATOGRAPHY
DISTILLATION
FILTRATION
SIMPLE CRYSTALLIZATION
The best method of separation to use for separating gasoline from crude oil is?
CHROMATOGRAPHY
DISTILLATION
FILTRATION
SIMPLE CRYSTALLIZATION
Which of the following best describes chicken noodle soup?
a. element
b. mixture
c. compound
d. solution
In which classification of matter are the components chemically combined?
homogenous mixture
heterogeneous mixture
element
compound
Which of the following describes a mixture?
formed from two or more substances chemically combined
made up of two or more substances joined in a specific ratio
made up of two or more substances that keep their identities
can be separated only by chemical means
A solution is a(n)
homogeneous mixture
heterogeneous mixture
insoluble solute in a solvent
compound composed of two or more substances
Salt water is a(n)
solution
colloid
suspension
compound
Which of Mr. Simpson's children is the youngest?
Jessa
Jake
Janie Mae
Jase
Explore all questions with a free account