An ice cube at a temperature of 0∘C0^\circ\text{C}0∘C is placed in a glass of water at a temperature of 18∘C18^\circ\text{C}18∘C. After a short time, some of the ice has melted, and the water has cooled to a temperature of 12∘C12^\circ\text{C}12∘C.
What is the temperature of the remaining ice?
0∘C0^\circ\text{C}0∘C
6∘C6^\circ\text{C}6∘C
12∘C12^\circ\text{C}12∘C
18∘C18^\circ\text{C}18∘C
528 exam-style questions on CIE IGCSE Physics 2.2 Thermal properties and temperature, covering 2.2.1 Thermal expansion of solids, liquids and gases, 2.2.2a Internal energy and temperature, 2.2.2b Specific heat capacity, 2.2.3a Melting, boiling, condensation and solidification, 2.2.3b Evaporation, and 2.2.3c Cooling by evaporation. Each one has a worked solution and a mark scheme showing where the marks go.