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2.2.3a Melting, boiling, condensation and solidification

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Question 73

A block of ice at 0 ∘C0\ ^\circ\text{C}0 ∘C is heated until it melts to form liquid water at 0 ∘C0\ ^\circ\text{C}0 ∘C.

Which of the following describes the primary change in the energy of the molecules during this melting process?

A

The average kinetic energy of the molecules increases.

B

The potential energy of the molecules increases.

C

The average kinetic energy of the molecules decreases.

D

The potential energy of the molecules decreases.

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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