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2.2 Thermal properties and temperature

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Question 195

A piece of solid gallium at its melting point of 30∘C30^\circ\text{C}30∘C is placed into a warm container of water at a temperature of 45∘C45^\circ\text{C}45∘C.

After a short time, some of the gallium has melted and the water has cooled to a temperature of 40∘C40^\circ\text{C}40∘C.

What is the temperature of the remaining solid gallium?

A

30∘C30^\circ\text{C}30∘C

B

35∘C35^\circ\text{C}35∘C

C

40∘C40^\circ\text{C}40∘C

D

45∘C45^\circ\text{C}45∘C

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2.2 Thermal properties and temperature Questions

  1. IGCSE
  2. /Physics
  3. /2.2 Thermal properties and temperature

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.

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