chemistry puzzle

123456789101112
Across
  1. 4. a chemist who transformed metals into gold
  2. 8. dissolves grease and oil told as drain cleaner
  3. 9. gas used in photosynthesis
  4. 10. a substance which which softens the stain on wool
  5. 11. Latin name for gold
  6. 12. a chemist who first discovered hydrogen chloride gas
Down
  1. 1. measures definite volumes of a liquid by filling the liquid to marked level and then pouring it out.
  2. 2. the process of hammering a substance into sheets
  3. 3. an element used in matchstick
  4. 5. medicine used for conjunctivitis
  5. 6. an artificial synthetic fibre
  6. 7. the process of vapour into liquid