Tests for Water

• Test: Cobalt(II) Chloride Paper

  Type of test: Chemical

  Positive result: Turns from blue to pink
• Test: Anhydrous copper (II) sulfate

  Type of test: Chemical

  Positive result: Turns from white to blue
• Test: Melting and boiling point

  Type of test: Physical

  Positive Result: M.P at 0℃ and B.P at 100℃