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2.2 Thermal properties and temperature

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Question 390

An engineer is calibrating a liquid-in-glass thermometer to mark the 0∘C0^\circ\text{C}0∘C (lower) and 100∘C100^\circ\text{C}100∘C (upper) fixed points on the Celsius scale under standard atmospheric pressure.

They have the following four setups available:

  • Setup W: A mixture of crushed pure ice and pure water.
  • Setup X: A mixture of ice and common salt.
  • Setup Y: The steam directly above pure water boiling at standard atmospheric pressure.
  • Setup Z: A boiling salt-water solution.

Which two setups should the engineer use to determine these fixed points?

A

Setup W and Setup Y

B

Setup W and Setup Z

C

Setup X and Setup Y

D

Setup X and Setup Z

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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