AP Chemistry Practice Questions and
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 - 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 - e
Which term best describes table salt (NaCl) at room temperature?
a) gas
b) element
c) compound
,AP Chemistry Practice Questions and
answers
d) homogeneous mixture
e) heterogeneous mixture - 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 - 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 - e
Which method is best for removing the pulp from orange juice?
,AP Chemistry Practice Questions and
answers
a) distillation
b) light absorption
c) electrolysis
d) gas-liquid chromatography
e) filtration - 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 - 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
, AP Chemistry Practice Questions and
answers
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 - a
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 - 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 - d
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 - 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 - e
Which term best describes table salt (NaCl) at room temperature?
a) gas
b) element
c) compound
,AP Chemistry Practice Questions and
answers
d) homogeneous mixture
e) heterogeneous mixture - 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 - 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 - e
Which method is best for removing the pulp from orange juice?
,AP Chemistry Practice Questions and
answers
a) distillation
b) light absorption
c) electrolysis
d) gas-liquid chromatography
e) filtration - 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 - 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
, AP Chemistry Practice Questions and
answers
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 - a
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 - 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 - d
