1) In the following list, only __________ is not an example of
matter.
A) light
B) elemental phosphorus
C)
dust
D) table salt
E) planets
A
2) What is the physical state in which matter has no specific shape
but does have a specific volume?
A) liquid B) solid C) ice D) gas
E) salts
A
3) A combination of sand, salt, and water is an example of a
__________.
A) pure substance
B) homogeneous mixture
C)
compound
D) solid
E) heterogeneous mixture
E
4) Which one of the following has the element name and symbol
correctly matched?
A) P, potassium
B) Mg, manganese
C)
Sn, silicon
D) Ag, silver
E) C, copper
D
5) Which one of the following is a pure substance?
A) salt
water
B) concrete
C) milk
D) wood
E) elemental copper
E
6) Sn is the symbol for the element __________
Tin
7) The symbol for the element magnesium is __________.
A) Rb B)
Si C) Mg D) Mn E) Ne
C
8) If matter is uniform throughout and cannot be separated into other
substances by physical means, it is
__________.
A) a
compound
B) either an element or a compound
C) a homogeneous
mixture
D) an element
E) a heterogeneous mixture
B
9) Homogeneous mixtures are also known as __________.
A)
elements B) solutions C) compounds D) solids E) substances
B
10) Which of the following is an illustration of the law of constant
composition?
A) Water is 11% hydrogen and 89% oxygen by
mass.
B) Water and salt have different boiling points.
C)
Water is a compound.
D) Water can be separated into other
substances by a chemical process.
E) Water boils at 100eC at 1
atm pressure.
A
11) Which one of the following is not a physical property of
water?
A) It boils at 100°C at 1 atm pressure.
B) It freezes
at 0°C at 1 atm pressure.
C) It reacts rapidly with potassium
metal to form potassium hydroxide.
D) It is clear and
colorless.
E) Water exists in solid, liquid and gaseous forms.
C
12) Of the following, only __________ is a chemical reaction.
A)
melting of lead
B) tarnishing of silver
C) crushing of
stone
D) dissolving sugar in water
E) dropping a penny into
a glass of water
B
13) Which one of the following is an intensive property?
A) mass
B) volume C) heat content D) temperature E) amount
D
14) Of the following, only __________ is an extensive
property.
A) density
B) boiling point
C) freezing
point
D) mass
E) pressure
D
15) Which of the following are chemical processes?
1. rusting of
a nail
2. freezing of water
3. decomposition of water into
hydrogen and oxygen gases
4. compression of oxygen gas
A) 2,
3, 4 B) 1, 2 C) 1, 4 D) 1, 3, 4 E) 1, 3
E
16) Which of the following is a chemical property of sodium
chloride?
A) It is a solid at room temperature.
B) It can be
decomposed into sodium metal and chlorine gas.
C) It is not
significantly compressible.
D) It melts at a high
temperature.
E) It dissolves in water.
B
17) Intensive properties __________ depend on the amount of matter
present. Extensive properties __________
depend on the amount of
matter present.
A) do, sometimes
B) don't, don't
C)
don't, do
D) do, do
E) do, don't
C
18) Of the objects below, __________ is the most dense.
A) an
object with a volume of 3.91 x 10-24 nm3 and a mass of 7.93 x 10-1
ng
B) an object with a volume of 13 dm3 and a mass of 1.29 x 103
g
C) an object with a volume of 139 mL and a mass of 93 g
D)
an object with a volume of 0.00212 m3 and a mass of 4.22 x 104
mg
E) an object with a volume of 2.5 L and a mass of 12.5 kg
A
19) The temperature of 25eC is __________ in Kelvins.
A) 166 B)
248 C) 103 D) 138 E) 298
E
20) Express the temperature, 422.35 K, in degrees Celsius and in
degrees Fahrenheit.
A) 149.20°C, 300.56°F
B) 50.89°C,
324.04°F
C) 22.78°C, 98.60°F
D) 695.50°C, 354.39°F
E)
792.23°C, 519.08°F
A