Distillation (AQA GCSE Chemistry Combined Science): Flashcards
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13 cards from this deck
What does distillation separate?
What does distillation separate?
Liquids from mixtures
How does distillation work?
How does distillation work?
Heat mixture, vapour forms, cool vapour to collect liquid
Which liquid vaporises first in distillation?
Which liquid vaporises first in distillation?
Liquid with lowest boiling point
What equipment does vapour travel through?
What equipment does vapour travel through?
Condenser
What is the collected liquid called in distillation?
What is the collected liquid called in distillation?
Distillate
What does simple distillation separate?
What does simple distillation separate?
Two different substances
Which liquid becomes the distillate first?
Which liquid becomes the distillate first?
Liquid with lower boiling point
What does fractional distillation separate?
What does fractional distillation separate?
More than two liquids
What extra equipment does fractional distillation use?
What extra equipment does fractional distillation use?
Fractionating column
What is the fractionating column packed with?
What is the fractionating column packed with?
Glass beads
In what order do liquids leave in fractional distillation?
In what order do liquids leave in fractional distillation?
In order of increasing boiling point (lowest first)
What heater type for distilling flammable substances?
What heater type for distilling flammable substances?
Electrical heater (not Bunsen burner)
What is the purpose of anti-bumping granules?
What is the purpose of anti-bumping granules?
Prevent violent boiling