2:50 describe a physical test to show whether a sample of water is pure If the sample is pure water it will boil at 100oC Hydr0Gen2018-06-18T11:01:58+00:00Categories: (h) Chemical tests, 2 Inorganic chemistry, Edexcel iGCSE Chemistry|Tags: 2:50, Chemistry, Double, GCSE, GCSE_Chemistry_SpecPoint, SpecPoint, Topic: Separating techniques, Topic: Specification experiments|