Purity Formulations and Chromatography, and Identification of Common Gases

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