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Distillation
7
12/04/21
Distillation
Lesson Objectives
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Lesson Objective
- Explain how Distillation works
- Explain the use of evaporation in separating mixtures
Key Words :-
Distillation
Evaporation
Condensation
Condenser
Solvent
Solution
Key Words
By The End
Outstanding Progress :-
- Explain the process of Distillation with the correct changes of state.
Good Progress :-
- Understand how distillation works
- Understand what types of substances distillation is used for
Progress
Can you work out these Anagrams ?
Install idiot
Lions out
Starter
No bullies
Loved sis
A opera vet
Lions Out
Solution
Dissolve
Loved sis
Evaporate
A opera vet
Answers
No bullies
Insoluble
Distillation
Install idiot
Evaporation
If you left a cup of water, what would happen to it over time?
What if we wanted to speed this process up?
Evaporation
Distillation Experiments
Distillation
The Experiment
- The Water evaporates and forms steam. The salt does not evaporate
- The mixture is heated
- The distilled water runs into the beaker
- The cold water flowing around the outside of the condenser cools the steam
- The salt water is put into the flask
- The steam goes into the condenser
- The Steam condenses to form pure water
What's Happening?
Answers
Make Corrections in Green Pen
Factional Distillation
Distillation in Practice
Crude oil is a mixture consisting of -
2% Refinery gas
31% Petrol
4% Naphtha
11% Kerosene
30% Diesel oil
18% Fuel oil
4% Residue
Why does this work ?
Small Molecules
- Low Boiling Points
- Very Volatile
- Flow Easily
- Ignite Easily
Large Molecules
- Higher boiling points
- Not very Volatile
- Do not flow easily
- Do not ignite easily
Why does it work
Prove what you know
Good Progress :-
- Understand how distillation works
- Understand what types of substances distillation is used for
What did you learn
Outstanding Progress :-
- Explain the process of Distillation with the correct changes of state.
Explain the Process of Distillation
Task
Give examples of mixtures you could use distillation with