| A | B |
|---|
| Insoluble | does not dissolve |
| solubility | how well something dissolves |
| chromatography | can separate soluble ink pigments |
| mixture | 2 or more substances together but not joined |
| chemical change | atoms of substances get rearranged |
| physical change | no change to arrangement of atoms |
| filtration used to | remove sand from salt solution |
| evaporation used to | remove salt from salt solution |
| magnetism used to | separate iron/steel from aluminium |
| burning/combustion | an irreversible change |
| change in colour/temperature/fizzing | clues to a chemical change |
