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Chapter 1 Practice Questions
Chapter 1 Practice Questions
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Types of Chemistry, Chemical and Physical Properties of Matter, & Introduction to the PTE
Flashcards
56 cards
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Practice quiz
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Questions
56
Answers
1
Which term does not fit with the others listed?
water
salt
ice
steam
2
What are the horizontal rows called on the PTE?
Families
Columns
Periods
Groups
3
Which of the following is a chemical property?
Reactivity
Malleability
Magnetism
Density
4
Which of the following is a REVERSIBLE physical change?
An ice cube melting.
Tearing a hole in your jeans.
Spilling bleach on a red sweatshirt.
Grinding peppercorns.
5
Which of the following is a physical property?
Flammability
Melting
Melting Point
Reactivity
6
How would you separate sand and iron?
Filtration
Distillation
Keep them together.
Magnetism
7
A nonmetal is usually
brittle.
malleable.
used to make jewelry.
a good heat conductor.
8
Which of the following is an extensive property of matter?
density
boiling point
melting point
volume
9
In the chemical reaction iron + oxygen → iron oxide,
iron is a reactant.
iron is a product.
iron oxide is a reactant.
oxygen is a product.
10
An atom is
the unit of a compound.
always made of carbon.
the building block of matter.
smaller than an electron.
11
Which of the following is a compound?
sugar
All choices.
salt
water
12
During chemical and physical changes, substances absorb or give off
light.
heat.
mass.
energy.
13
C is the symbol for
copper.
carbon.
cesium.
cobalt.
14
To determine density, you need the mass and
time.
volume.
height.
shape.
15
The symbol for sodium is
NA.
na.
S.
Na.
16
Which class of elements is the largest?
metals
halogens
nonmetals
metalloids
17
Which state of matter has variable shape and volume?
solid
B.E.C.
liquid
gas
18
Which material has the highest viscosity?
Apple Juice
Milk
Water
Honey
19
Anything that has mass and takes up space is
density
mass
volume
matter
20
Adding food coloring to water is a chemical change because the water changes color.
True
False
21
What are the vertical columns called on the PTE?
Periods
Rows
Transitional
Groups
22
Which state of matter has the highest force of attraction?
liquid
plasma
vapor
solid
23
Which of the following is a homogeneous mixture?
beach sand
stainless steel
street gravel
carbonated soda
24
He is known as the Father of Modern Chemistry.
Antoine-Laurent de Lavoisier
Isaac Newton
Aristotle
Albert Einstein
25
Investigating the bond energy found in carbon-hydrogen molecules is which type of chemistry?
Organic chemistry
Inorganic chemistry
Biochemistry
Analytical chemistry
26
A metal can be identified by its intensive properties which include
very hard.
a good heat conductor.
easily broken down into its components.
very brittle.
27
A liquid is a form of matter that
is easily compressed.
flows.
has a definite shape.
has no definite volume.
28
Which of the following is a physical change?
Milk and lemon juice.
Baking a cake.
Cutting paper.
Baking soda and vinegar.
29
A solution is
homogeneous.
chemically bonded.
heterogeneous.
a compound.
30
Which material is non-malleable?
copper wire
gold ring
play dough
drinking glass
31
Matter includes all of the following except
air.
smoke.
light.
water vapor.
32
Which of the following materials does not react with oxygen to form something new?
silver
iron
copper
plastic
33
How would you separate a mixture of water (b.p. 100
o
) and alcohol (b.p. 85
o
)?
Filitration
Distillation
Chromatography
Magnetism
34
Mixtures differ from substances because the composition of a mixture
can vary.
has the same ratio.
stays the same.
never changes.
35
A compound
has the same properties as its elements.
is a pure substance.
can be physically separated.
has a composition that varies.
36
A mixture is
any group of elements that are chemically bonded to one another.
a blend of two or more substances in which each keeps its own properties.
any substance with a uniform composition.
a combination of pure substances bonded chemically.
37
Which of the following is a heterogenous mixture?
blueberry pancake batter
chicken broth
sodium bicarbonate
air
38
Which of the following CANNOT be classified as a pure substance?
table salt
water
air
carbon dioxide
39
The composition of matter changes during a physical change.
False
True
40
Metalloids are often
from outer space.
semiconductors.
lanthanides.
unreactive.
41
Which class of elements only has 7 representatives?
liquids
nonmetals
metals
metalloids
42
Which branch of chemistry is being applied when determining the components in a water sample?
Biochemistry
Analytical Chemistry
Organic Chemistry
Physical Chemistry
43
Noble gases are best known because they are
lanthanides.
excellent conductors.
rare.
unreactive.
44
What happens to energy in a substance when it changes from one state of matter to another?
It is changed to matter.
It changes form.
The energy remains unchanged.
It is destroyed.
45
A compound is
the smallest unit of matter that maintains its chemical identity.
a pure substance that cannot be broken down chemically.
two or more substances that can be separated physically.
a substance made of >= 2 bonded elements that can be separated chemically.
46
Which of the following is a chemical change?
Water turning into steam.
Sugar and Kool-Aid powder dissolving in water.
Bending a paperclip.
Copper forming patina when it reacts with oxygen.
47
Atoms and molecules are considered particles of matter.
False
True
48
Which of the following is an element?
air
water
carbon dioxide
oxygen
49
Which of the following materials are non-flammable?
hairspray
water
oxygen
alcohol
50
A solid substance is always
losing particles when not kept in a container.
maintaining its shape regardless of its container.
frozen regardless of its container.
a crystal.
51
Which of the following is an intensive property of matter?
volume
density
amount of energy
mass
52
A(n) ________ is the basic unit of matter.
atom
particle
molecule
cell
53
Which class of elements is located to the RIGHT of the staircase?
metalloids
nonmetals
synthetics
metals
54
Which of the following is a mixture?
nickel
sand
iron
copper
55
Elements contain only
solid atoms.
metallic atoms.
molecules.
one type of atom.
56
Homogeneous mixtures
are also known as solutions.
are always liquids.
have a composition that is fixed.
consist of two or more phases.
