AP Chemistry Practice Questions With
Correct Answers
Which one of the following statements concerning matter is correct?
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a) a gas has a fixed volume but not a rigid shape
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b) a liquid has a fixed volume and a rigid shape
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c) a liquid takes on both the volume and the shape of its container
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d) a solid has a fixed volume and a rigid shape
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e) both b and d are correct - CORRECT ANSWER✔✔-d
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All of the following statements are true EXCEPT
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a) of the 113 known elements, 91 occur naturally
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b) an element cannot be broken down into two or more pure substances
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c) a compound is a substance that contains two or more elements
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d) a pure compound always contains the same elements in the same mass
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percentages
e) another name for a heterogeneous mixture is a solution - CORRECT
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ANSWER✔✔-e
Which term best describes table salt (NaCl) at room temperature?
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a) gas
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b) element
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,c) compound
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d) homogeneous mixture
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e) heterogeneous mixture - CORRECT ANSWER✔✔-c
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All of the following statements are false EXCEPT
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a) copper (Cu) is a homogeneous mixture of carbon (C) and uranium (U)
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b) table salt is a heterogeneous mixture of sodium metal and chlorine gas
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c) soda water is a homogeneous mixture of carbon dioxide gas and water
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d) sugar dissolves completely in water to give a heterogeneous mixture
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e) water (H20) is a homogeneous mixture containing hydrogen and oxygen -
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CORRECT ANSWER✔✔-c |
All of the following statements are true EXCEPT
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a) potassium is represented by the symbol K
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b) zinc is represented by the symbol Zn
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c) argon is represented by the symbol Ar
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d) iron is represented by the symbol Fe
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e) nitrogen is represented by the symbol Ni - CORRECT ANSWER✔✔-e
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Which method is best for removing the pulp from orange juice?
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a) distillation
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b) light absorption
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c) electrolysis
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d) gas-liquid chromatography
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,e) filtration - CORRECT ANSWER✔✔-e
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Vinegar is a homogeneous mixture of two liquids: acetic acid and water. Which
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method is best for separating the components of vinegar?
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a) distillation
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b) filtration
|
c) electrolysis
|
d) gas-liquid chromatography
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e) light absorption - CORRECT ANSWER✔✔-a
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The gravity on the surface of Earth is 6.02 times greater than that on the moon. If
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an object has both a mass and weight of 1.00 kg on earth, on the moon the same
| | | | | | | | | | | | | | | | | |
object will have
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a) a mass of 1.00 kg and a weight of 0.166 kg
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b) a mass of 1.00 kg and a weight of 1.00 kg
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c) a mass of 1.00 kg and a weight of 6.02 kg
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d) a mass of 0.166 kg and a weight of 0.166 kg
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e) a mass of 0.166 kg and a weight of 1.00 kg - CORRECT ANSWER✔✔-a
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What is a correct method for converting Celsius to kelvin?
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a) t(K)=9K/5C (tC-273.15C)
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b) t(K)=5K/9C (tC+273.15C)
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c) t(K)=1K/1C (tC-273.15C)
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d) t(K)=1K/1C (tC+273.15C)
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, e) none of the above - CORRECT ANSWER✔✔-d
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If the outdoor temperature is 17.0 degrees Celsius, what is the temperature in
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Fahrenheit?
a) -1.40 degrees Fahrenheit
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b) 30.6 degrees Fahrenheit
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c) 41.4 degrees Fahrenheit
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d) 62.6 degrees Fahrenheit
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e) 74.6 degrees Fahrenheit - CORRECT ANSWER✔✔-d
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Which is a correct expression for converting Celsius to Fahrenheit?
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a) degrees Fahrenheit=(5F/9C) tC-32F
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b) degrees Fahrenheit=(5F/9C) tC+32F
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c) degrees Fahrenheit=(5F/9C) (tC+32F)
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d) degrees Fahrenheit=(9F/5C) tC-32F
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e) degrees Fahrenheit=(9F/5C) tC+32F - CORRECT ANSWER✔✔-e
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Many experiments are conducted at 298 K. What is this temperature in Celsius?
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a) 0 C
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b) 25 C
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c) 55 C
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d) 273 C
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e) 298 C - CORRECT ANSWER✔✔-b
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Correct Answers
Which one of the following statements concerning matter is correct?
| | | | | | | | |
a) a gas has a fixed volume but not a rigid shape
| | | | | | | | | | |
b) a liquid has a fixed volume and a rigid shape
| | | | | | | | | |
c) a liquid takes on both the volume and the shape of its container
| | | | | | | | | | | | |
d) a solid has a fixed volume and a rigid shape
| | | | | | | | | |
e) both b and d are correct - CORRECT ANSWER✔✔-d
| | | | | | | | |
All of the following statements are true EXCEPT
| | | | | | |
a) of the 113 known elements, 91 occur naturally
| | | | | | | |
b) an element cannot be broken down into two or more pure substances
| | | | | | | | | | | |
c) a compound is a substance that contains two or more elements
| | | | | | | | | | |
d) a pure compound always contains the same elements in the same mass
| | | | | | | | | | | | |
percentages
e) another name for a heterogeneous mixture is a solution - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-e
Which term best describes table salt (NaCl) at room temperature?
| | | | | | | | |
a) gas
|
b) element
|
,c) compound
|
d) homogeneous mixture
| |
e) heterogeneous mixture - CORRECT ANSWER✔✔-c
| | | | |
All of the following statements are false EXCEPT
| | | | | | |
a) copper (Cu) is a homogeneous mixture of carbon (C) and uranium (U)
| | | | | | | | | | | |
b) table salt is a heterogeneous mixture of sodium metal and chlorine gas
| | | | | | | | | | | |
c) soda water is a homogeneous mixture of carbon dioxide gas and water
| | | | | | | | | | | |
d) sugar dissolves completely in water to give a heterogeneous mixture
| | | | | | | | | |
e) water (H20) is a homogeneous mixture containing hydrogen and oxygen -
| | | | | | | | | | | |
CORRECT ANSWER✔✔-c |
All of the following statements are true EXCEPT
| | | | | | |
a) potassium is represented by the symbol K
| | | | | | |
b) zinc is represented by the symbol Zn
| | | | | | |
c) argon is represented by the symbol Ar
| | | | | | |
d) iron is represented by the symbol Fe
| | | | | | |
e) nitrogen is represented by the symbol Ni - CORRECT ANSWER✔✔-e
| | | | | | | | | |
Which method is best for removing the pulp from orange juice?
| | | | | | | | | |
a) distillation
|
b) light absorption
| |
c) electrolysis
|
d) gas-liquid chromatography
| |
,e) filtration - CORRECT ANSWER✔✔-e
| | | |
Vinegar is a homogeneous mixture of two liquids: acetic acid and water. Which
| | | | | | | | | | | | |
method is best for separating the components of vinegar?
| | | | | | | |
a) distillation
|
b) filtration
|
c) electrolysis
|
d) gas-liquid chromatography
| |
e) light absorption - CORRECT ANSWER✔✔-a
| | | | |
The gravity on the surface of Earth is 6.02 times greater than that on the moon. If
| | | | | | | | | | | | | | | |
an object has both a mass and weight of 1.00 kg on earth, on the moon the same
| | | | | | | | | | | | | | | | | |
object will have
| | |
a) a mass of 1.00 kg and a weight of 0.166 kg
| | | | | | | | | | |
b) a mass of 1.00 kg and a weight of 1.00 kg
| | | | | | | | | | |
c) a mass of 1.00 kg and a weight of 6.02 kg
| | | | | | | | | | |
d) a mass of 0.166 kg and a weight of 0.166 kg
| | | | | | | | | | |
e) a mass of 0.166 kg and a weight of 1.00 kg - CORRECT ANSWER✔✔-a
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What is a correct method for converting Celsius to kelvin?
| | | | | | | | |
a) t(K)=9K/5C (tC-273.15C)
| |
b) t(K)=5K/9C (tC+273.15C)
| |
c) t(K)=1K/1C (tC-273.15C)
| |
d) t(K)=1K/1C (tC+273.15C)
| |
, e) none of the above - CORRECT ANSWER✔✔-d
| | | | | | |
If the outdoor temperature is 17.0 degrees Celsius, what is the temperature in
| | | | | | | | | | | | |
Fahrenheit?
a) -1.40 degrees Fahrenheit
| | |
b) 30.6 degrees Fahrenheit
| | |
c) 41.4 degrees Fahrenheit
| | |
d) 62.6 degrees Fahrenheit
| | |
e) 74.6 degrees Fahrenheit - CORRECT ANSWER✔✔-d
| | | | | |
Which is a correct expression for converting Celsius to Fahrenheit?
| | | | | | | | |
a) degrees Fahrenheit=(5F/9C) tC-32F
| | |
b) degrees Fahrenheit=(5F/9C) tC+32F
| | |
c) degrees Fahrenheit=(5F/9C) (tC+32F)
| | |
d) degrees Fahrenheit=(9F/5C) tC-32F
| | |
e) degrees Fahrenheit=(9F/5C) tC+32F - CORRECT ANSWER✔✔-e
| | | | | |
Many experiments are conducted at 298 K. What is this temperature in Celsius?
| | | | | | | | | | | |
a) 0 C
| |
b) 25 C
| |
c) 55 C
| |
d) 273 C
| |
e) 298 C - CORRECT ANSWER✔✔-b
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