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2.1 Kinetic particle model of matter

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Question 242

The melting points and boiling points of four substances are:

  • Substance A: melting point −182∘C-182^\circ\text{C}−182∘C, boiling point −161∘C-161^\circ\text{C}−161∘C
  • Substance B: melting point −114∘C-114^\circ\text{C}−114∘C, boiling point 78∘C78^\circ\text{C}78∘C
  • Substance C: melting point 63∘C63^\circ\text{C}63∘C, boiling point 759∘C759^\circ\text{C}759∘C
  • Substance D: melting point 115∘C115^\circ\text{C}115∘C, boiling point 444∘C444^\circ\text{C}444∘C

Which substance is a liquid at 50∘C50^\circ\text{C}50∘C?

A

Substance A

B

Substance B

C

Substance C

D

Substance D

Markscheme

2.1 Kinetic particle model of matter Questions

  1. IGCSE
  2. /Physics
  3. /2.1 Kinetic particle model of matter

321 exam-style questions on CIE IGCSE Physics 2.1 Kinetic particle model of matter, covering 2.1.1 States of matter and changes of state, 2.1.2a Particle structure and motion in solids, liquids and gases, 2.1.2b Gas pressure and particle collisions, 2.1.2c Brownian motion, 2.1.3a The absolute scale of temperature, and 2.1.3b Pressure, volume and temperature of a gas. Each one has a worked solution and a mark scheme showing where the marks go.

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