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2.2 Thermal properties and temperature

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Question 320

To calibrate a liquid-in-glass thermometer representing the Celsius scale (∘C^\circ\text{C}∘C), a student needs to determine two reference temperatures (fixed points). Which of the following pairs correctly identifies the lower fixed point and the upper fixed point at standard atmospheric pressure?

A

Lower fixed point: melting pure ice (0∘C0^\circ\text{C}0∘C); Upper fixed point: boiling pure mercury (357∘C357^\circ\text{C}357∘C)

B

Lower fixed point: melting pure ice (0∘C0^\circ\text{C}0∘C); Upper fixed point: steam from boiling pure water (100∘C100^\circ\text{C}100∘C)

C

Lower fixed point: freezing pure mercury (−39∘C-39^\circ\text{C}−39∘C); Upper fixed point: steam from boiling pure water (100∘C100^\circ\text{C}100∘C)

D

Lower fixed point: absolute zero (−273∘C-273^\circ\text{C}−273∘C); Upper fixed point: steam from boiling pure water (100∘C100^\circ\text{C}100∘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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