Separation techniques

Question 1

What do you use chromatography for?
+ example

Answer 1

to separate different substances dissolved in liquid

example: separating ink

Question 2

What is crystallisation?
+ example

Answer 2

the process of producing crystals from a solution by evaporating the solvent

example: salt and water

Question 3

What is solvent?

Answer 3

liquid in which solute dissolves

Question 4

What is solute?

Answer 4

solid substance that dissolves in liquid (solvent)

Question 5

What is filtration?
+ example

Answer 5

method used to separate an insoluble solid from a liquid using a physical barrier (ie. paper)

example: sand and water

Question 6

What is simple distillation?
+ example

Answer 6

method to separate solvent from a solution

example: alcohol and water

Question 7

What is fractional distillation?
+ example

Answer 7

method to separate a mixture of substances

example: crude oil

Question 8

Steps of simple distillation

Question 9

Steps of fractional distillation