Question

#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

**my answer: B. distillation

is that right? @chmvijay :D

Answer 1

#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

***my answer: A. boiling points

is that right?

Answer 2

B. distillation

Answer 3

A. boiling points

Answer 4

#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

**my answer: D. fractionation

is that right?

Answer 5

D. fractionation

Answer 6

#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

**my answer: D. chromatography

is that right?

Answer 7

#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

**My answer: B. osmosis

is that right? :)

Answer 8

#5 B. osmosis
#4D. chromatography

Answer 9

yay!! :) thanks!!!