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2.2 Thermal properties and temperature

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Question 343

A student calibrates a liquid-in-glass thermometer to establish a standard Celsius (∘C^\circ\text{C}∘C) scale.

Which physical transitions under standard atmospheric pressure are chosen to define the lower fixed point and the upper fixed point of this scale?

A

Lower: melting point of pure ice; Upper: boiling point of pure water

B

Lower: freezing point of mercury; Upper: boiling point of pure water

C

Lower: melting point of pure ice; Upper: boiling point of liquid nitrogen

D

Lower: freezing point of pure water; Upper: boiling point of mercury

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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