Unit 2 Flashcards
1
Q
solid - gas
A
sublimation
2
Q
pure
A
substance made from one single element
3
Q
mixture
A
substance made from different elements
4
Q
pure subtances
A
specific, sharp melting and boiling point
5
Q
seperation techniques
A
- simple distillation
- fractional distillation
- filtration
- crystallisation
6
Q
phases of chromotography
A
- mobile phase
- stationary phase
7
Q
Rf
A
distance travelled by solute / by solvent
8
Q
drinking water
A
- filtration
- sedimentation
- chlorination
