C-14: Mixtures and methods of separation

Question 1

What are the main separation techniques?

Answer 1

1. picking
2. evaporation/crystallisation
3. distillation
4. fractional distillation
5. fractional crystallisation
6. decanting
7. filtration
8. Sublimation
9. paper chromatography

Question 2

what separation method to use for separating 2 or more liquids that are mixed together?

Answer 2

fractional distillation

Question 3

Name 2 Practical uses of fractional distillation

Answer 3

1. To separate the different petroleum fractions

2. to Purify alcohol from water

Question 4

How to separate 2 solutes dissolved in the same solvent?

Answer 4

Fractional crystallization

Question 5

How to separate two or more immiscible liquids

Answer 5

decanting in a separating funnel

Question 6

How to separate an insoluble salt from a liquid

Answer 6

filtration

Question 7

How to obtain a solute from a solution

Answer 7

evaporation/crystallisation

Question 8

how to separate 2 solids where one is volatile and the other is a salt.

Answer 8

evaporation or sublmation