1: a mixture is heated to boiling. the vapor is captured and passed across a condenser, and a more pure form of the original liquid is collected in another container. this process describes which of the following?
a. filtering
b. distillation
c. osmosis
d. chromatography 2: the process of fractionation is based on which property of the components of a solution?
a. boiling points
b. freezing points
c. concentrations
d. molarities
3: crude oil is separated into different substances such as gasoline, petroleum, diesel fuel, and propane by which process?
a. filtering
b. chromatography
c. osmosis
d. fractionation 4: professional and amateur athletes are often tested for the use of illegal performance-enhancing drugs. which of the following processes is used to separate these chemicals from a blood or urine sample?
a. distillation
b. fractionation
c. osmosis
d. chromatography 5: which of the following involves separating a solution by moving liquids across a selectively permeable membrane?
a. chromatography
b. osmosis
c. fractionation
d. distillation