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2.2 Thermal properties and temperature

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Question 263

A block of solid paraffin wax at its melting point of 54∘C54^\circ\text{C}54∘C is placed into a beaker of liquid paraffin wax at a temperature of 80∘C80^\circ\text{C}80∘C. After a short time, some of the solid wax has melted and the liquid wax has cooled to 72∘C72^\circ\text{C}72∘C.

What is the temperature of the remaining solid wax?

A

54∘C54^\circ\text{C}54∘C

B

63∘C63^\circ\text{C}63∘C

C

72∘C72^\circ\text{C}72∘C

D

80∘C80^\circ\text{C}80∘C

Markscheme

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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