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WorksheetsJD 2019 PS.2, PS.5, 6.4, 6.5 Test Review
Total questions: 35
Worksheet time: 18mins
A solid, liquid, and gas are all states of matter composed of
compounds
organic material
bases
atoms
Whast type of matter comprises the Sun?
gas
solid
liquid
plasma
The particle theory of matter states that all matter is made up of tiny particles called _________ and ___________.
acids and bases
compounds and mixtures
salts and compounds
atoms and molecules
The particle theory of matter states that each substance has unique properties that are ___________ __________ the properties of other substances.
different from
similar to
analogous to
identical to
Matter is anything that has ______________ and ____________.
flammability and mass
mass and takes up space
reactivity with acid and flammability
reactivity with acid and takes up space
Which of these best describe the particle motion taking place as CO2 gas is exposed to freezing temperatures?
the motion of the particles in unchanges
the particles move with more force
the particles decrease in speed
the motion of the particles becomes random
Two or more chemically combined atoms form
a compound
a mixture
an element
an acid
Two or more physically combined substances form
an element
an acid
a compound
a mixture
Which instrument would most accurately and precisely determine the mass of a toy car?
a triple-beam balance
an electronic light meter
a spring scale
a graduated cylinder
Maple trees prefer soil that has a pH of 5.5 to 6.5. These trees grow best in soil that is
slightly acidic (weak acid)
very acidic (strong acid)
slightly basic (weak base)
very basic (strong base)
NaCl is classified as
a salt
a base
an acid
a mixture
A substance made of only one type of atom is called
an element
a salt
a mixture
a compound
Matter that is classified as neutral will have a pH of
1
14
7
5
When a base is mixed with an acidic solution, neutralization occurs because the
base chemically reacts with the acid
base reaches absolute zero
acid evaporates
mass of the solution increases
Students place steel wool in beakers of four different liquids in order of the most acidic to neutral. The students recorded their observations in the table. Which is the best conclusion based on the table?
The more acidic the substance, the faster it reacts with steel wool
The more acidic the substance, the faster the steel wool turns to a gas.
The less acidic the substance, the faster the steel wool becomes covered with air bubbles.
The less acidic the substance, the faster the steel wool changes color.
A salt is an ______________ compound formed from the negative ion of an acid and the positive ion of a base.
covalent
metallic
fissionable
ionic
When acids and bases react, they produce ____________ and ________________.
salt and water
neutral bases and acids
water and neutral bases
hydrochloric acid and salt
Which of the following substances is considered organic?
N
CO2
NaCl
H2O
Which of the following substances is considered inorganic?
CH4
CO
NaCl
CO2
A student places three drops of diluted acid on an unknown mineral. The student then observes bubbling in the area that the acid is in contact with the mineral. Which is the best conclusion that the student can make regarding this evidence?
The mineral has suddenly dropped in temperature
The mineral must be a pure element
The mineral is porous in nature, which is the source of the bubbling.
The mineral is chemically reacting with the acid.
Solid matter has what type of movement between atoms?
free movement
liquid movemewnt
extremely small movement (vibrating only)
no movement
A solid piece of ice is turning into a liquid. Which phase change is it undergoing?
melting
condensation
deposition
vaporization
freezing
Which phase of matter has no definite volume and occupies all the space available to it?
Plasma
Solid
Gas
Liquid
Beth is trying to break a record for the biggest bubble gum bubble. She usually chews Pop! bubble gum, but she will test different types of bubble gum to see which one will blow the biggest bubble. She compares the other brands to her standard, Pop! The size of the bubble is the
independent variable
constant
dependent variable
control group
What is NOT a physical property of water?
It contains a regular crystalline structure in its solid form.
It decomposes into H2 and O2 gas.
It boils at 100'C at 1 atm of pressure.
It freezes at 0'C at 1 atm of pressure.
What is a chemical property of matter?
solubility
density
reactivity
color
A pH of 1 is a
strong acid
strong base
neutral
weak acid
weak base
Which of the following are chemical properties of matter?
sublimation, melting, and freezing
rusting, combustibility, and flammability
melting, sublimation, and rusting
freezing, flammability, and melting
A chemical property indicates whether a substance can undergo what kind of change?
deposition
chemical
physical
melting
Two different substances are places in the same beaker. There is a slight color change and gas bubbles are produced. The indicates that _______________ has occurred.
a density change
a chemical change
a physical change
nothing
What is a chemical property that would be observed when a spark is introduced to a mixture of propane and oxygen?
reactivity with an acid
solubility
combustibility
reactivity with a base
A lightning bolt is a type of
liquid
plasma
gas
solid
Jaden completed a chart on the properties of four known substances and one unknown substance. Which substance in the chart is in a gas form?
mercury
lightning bolt
hydrogen
igneous rock
An item with a mass of 35 g is placed in a graduated cylinder that has 85 mL of water in it. The water level rises to 110 mL. What is the density of this object? D = m/v
1.4 g/cm3
0.412 g/cm3
5.57 g/cm3
2.43 g/cm3
Which phase of matter is electrically charged and exists at extremely high temperatures?
plasma
solid
gas
liquid
