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Y7: Evaporation & Distillation
Y7: Evaporation & Distillation
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Tekstslide
Chemistry
Lower Secondary (Key Stage 3)
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Y7: Evaporation & Distillation
Slide 1 - Tekstslide
Label the apparatus.
Evaporating basin
Gauze
Bunsen
burner
Heatproof mat
Tripod
Slide 2 - Sleepvraag
What is this separation technique called?
Slide 3 - Open vraag
Filtration separates...
A
an insoluble solid from a liquid.
B
a soluble solid from a liquid.
Slide 4 - Quizvraag
What does insoluble mean?
Slide 5 - Open vraag
Miss Buchanan tries to separate a mixture using evaporation, but it doesn't work. Suggest some possible reasons why.
Slide 6 - Open vraag
Slide 7 - Tekstslide
Slide 8 - Tekstslide
Slide 9 - Tekstslide
Slide 10 - Tekstslide
Bunsen burner
Thermometer
Water in
Water out
Condenser
Water vapour
Flask with inky water
Flask with clean water
Condensed water
Slide 11 - Sleepvraag
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 12 - Sleepvraag
Which 2 changes of state take place during distillation?
Slide 13 - Open vraag
Miss Buchanan wants to separate some salty water. Why might she choose to use distillation instead of evaporation?
Slide 14 - Open vraag
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