Y7: Evaporation & Distillation
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Éléments de cette leçon
Slide 1 - Diapositive
Label the apparatus.
Evaporating basin
Gauze
Bunsen
burner
Heatproof mat
Tripod
Slide 2 - Question de remorquage
What is this separation technique called?
Slide 3 - Question ouverte
Filtration separates...
A
an insoluble solid from a liquid.
B
a soluble solid from a liquid.
Slide 4 - Quiz
What does insoluble mean?
Slide 5 - Question ouverte
A student tries to separate a mixture using evaporation, but it doesn't work. Suggest some possible reasons why.
Slide 6 - Question ouverte
Slide 7 - Diapositive
Slide 8 - Vidéo
Slide 9 - Diapositive
Slide 10 - Diapositive
Slide 11 - Diapositive
Bunsen burner
Thermometer
Water in
Water out
Condenser
Water vapour
Flask with inky water
Flask with clean water
Condensed water
Slide 12 - Question de remorquage
Filtration
Evaporation
Distillation
Separates
Example
Insoluble solid from liquid.
Soluble solid from liquid.
Soluble solid and liquid.
Sand and water.
Salt and water.
Ink and water.
Slide 13 - Question de remorquage
Which two changes of state take place during distillation?
Slide 14 - Question ouverte
Miss M wants to separate some salty water. Why might she choose to use distillation instead of evaporation?
