Across
- 4. a chemist who transformed metals into gold
- 8. dissolves grease and oil told as drain cleaner
- 9. gas used in photosynthesis
- 10. a substance which which softens the stain on wool
- 11. Latin name for gold
- 12. a chemist who first discovered hydrogen chloride gas
Down
- 1. measures definite volumes of a liquid by filling the liquid to marked level and then pouring it out.
- 2. the process of hammering a substance into sheets
- 3. an element used in matchstick
- 5. medicine used for conjunctivitis
- 6. an artificial synthetic fibre
- 7. the process of vapour into liquid