Purity Formulations and Chromatography, and Identification of Common Gases
Across
- 5. process used to analyse unknown substances in solution
- 7. a mixture of two or more elements, one of which is a metal
- 8. a useful mixture made up in definate proprtions
- 10. this is a single element or compound, not mixed with anything else
- 11. this phase is the solvent in paper chromatography
Down
- 1. this gas burns rapidly with a 'pop' sound
- 2. oxygen gas does this to a glowing splint
- 3. the mobile phase moves through this phase during paper chromatography
- 4. pattern of spots left by chromatography process
- 6. limewater turns this when carbon dioxide gas is bubbled through it
- 9. these values can be determined from chromatograms
- 12. this paper is bleached white by chlorine gas