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2.2.3a Melting, boiling, condensation and solidification

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Question 163

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

2.2.3a Melting, boiling, condensation and solidification Questions

  1. IGCSE
  2. /Physics
  3. /2.2.3a Melting, boiling, condensation and solidification

313 exam-style questions on CIE IGCSE Physics 2.2.3a Melting, boiling, condensation and solidification. Each one has a worked solution and a mark scheme showing where the marks go.

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