COMMON CHEMICAL APPARATUS Flashcards
1
Q
What does a dessicator do
A
prevents sample from absorbing water in air
2
Q
Methods of isolation
A
vacuum filtration (solids)
distillation (liquids)
solvent extraction (when the other 2 arent possible)
3
Q
How are organic compouds prepared
A
through reflux
4
Q
How to prevent substance boiling over when heating under reflux
A
anti bumpung granules
5
Q
techniques for purification
A
recrystilisation
distillation
6
Q
techniques to identify a sample
A
mp
bp
tlc
7
Q
What if a substance has lots of impurities
A
low mp
8
Q
3 funnels used for vacuum filtration
A
Burner
Hirsch
Centred glass
9
Q
A
