| A | B |
| residue | what is left behind on the filter paper |
| filtrate | what passes through the filter paper |
| desalination | removing salt from water |
| distillation | a method of desalination |
| reverse osmosis | a methond of desalination |
| sublimation | changing from a solid state to a vapour state on heating |
| examples of substances can can sublime | iodine and ammonium chloride |
| aluminium, copper, brass and zinc | non-magnetic materials |
| iron, steel, nickel and cobalt | magnetic materials |
| can be attracted to a magnet | magnetic materials |
| obtaining a solvent from a solution | distillation |
| kerosene, diesel, fuel oil | products of crude oil |
| fractional distillation | to get nitrogen and oxygen from atmospheric air |
| neon, argon, helium | obtained from fractional distillation of air |
| distilled water | example of pure water |
| crystallisation | to get sugar from sugar solution |
| chromatography | test urine samples for drugs |
| distillation | involves boiling and condensation |