Mixtures (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards

Different substances not chemically joined

Substance made of only one type of atom

Substance with atoms of different elements chemically joined

Insoluble solid from liquid

Does not dissolve

Soluble solid from liquid

Water (the solvent)

Mixtures of coloured compounds

Inks, dyes, food colouring agents

$R_f = \frac{\text{dist. compound}}{\text{dist. solvent}}$

Always same if done same way

Miscible liquids with different boiling points

100°C

78°C

Mix easily without separating into layers