Across
- 3. making alcohol industrially, H2O is added across an alkene's C=C bond
- 6. ore of aluminium
- 7. adding hydrogen across an alkene's C=C bond
- 9. added to blast furnace to remove impurities
- 13. alcohol with six carbons
- 17. positive ion
- 18. smallest division on a measurement scale
- 20. changes colour based on pH
- 21. re-lights a glowing splint
- 23. the building blocks of a polymer
- 24. the fraction at the bottom of the fractioning column
- 25. waste product from blast furnace
- 26. polymer formed from di-ol and di-carboxylic acid
- 27. forms a cream precipitate when added to acidified silver nitrate
- 28. a variable that is changed during the experiment
- 29. forms a white precipitate that redissolves in excess NaOH
- 30. polymer formed from a di-amine and di-carboxylic acid
Down
- 1. polymer made from CH2=CHCL
- 2. breaking a long chain into a short chain
- 4. amino acid polymer
- 5. a substance left behind on the filter paper
- 8. ratio of distanced travelled by a substance and solvent
- 10. slow natural method of making alcohol
- 11. burns with an orange red flame
- 12. the bottom of the water level in a container
- 14. adjusting equipment for accuracy using an object of known value
- 15. separating two liquids
- 16. ore of iron
- 19. a group of compounds with similar chemical properties
- 22. reduces melting point of aluminium oxide