4. Temperature / o C Time / min 0 100 Solid State Melting: Solid & Liquid States Melting begins Melting ends Liquid state Boiling: Liquid & Gas States Boiling begins Boiling ends Gas Consider the heating curve for pure water: Part (e) 53
5.
6.
7. Temperature / o C Time / min 0 100 Solid Melting: Solid & Liquid States Freezing begins Freezing ends Liquid Condensing: Liquid & Gas States Condensation begins Condensation ends Gas Consider the cooling curve for pure water: Part (e) 56