Done by Goh Kai Jie (4), Duan Cheng Wu (2), Bryan Ang (1) and Ethan Goh (3)

Observations and task

Your observations of the contaminated bottled water are as follows:
  1. the magnets on your desk keep getting attracted to grey solids in the bottles
  2. white solids present
  3. yellow liquid floating on top
  4. strong alcohol smell
Furthermore, there might be more contaminants present that cannot be observed directly.
Task:
Based on your knowledge of separation techniques from the online lesson, what should you do in your investigation of batch 1234Z?
Draw up a flow chart explaining how you plan to carry out your investigations for DULL.
Please include labelled diagrams of any experimental set-up you might use.
Do you forsee any difficulties during your investigation?
Would you advise DULL to repurify the water for sale?