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

Question

13-10-2016
Biology

contestada

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

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1.) The process the statement is describing is called distillation. The correct answer is B.

2.) The process of fractionation is based on boiling points. The correct answer is B.

3.) Crude oil is separated into different substances such as gasoline, petroleum, diesel fuel, and propane by fractionation. The correct answer is B.

4.) The process that is used to separate the chemical from a blood or urine sample is called chromatography. The correct answer is D.

5.)Osmosis involves separating a solution by moving liquids across a selectively permeable membrane. The correct answer is B.