6. Potassium creates a lilac flame.
- True
- False
7. What does chromatography do?
- Separate the mixture into elements.
- Turn all the elements into gases.
- Turn all the elements into solids.
- Separate the mixture to form hydrogen
8. What creates a brown precipitate in dilute hydrochloric acid?
- Magnesium
- Copper
- Iron 2+
- Iron 3+
- Aluminium
