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2.2.3a Melting, boiling, condensation and solidification

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Question 240

A student is calibrating a liquid-in-glass thermometer to establish a Celsius scale (∘C^\circ\text{C}∘C). Which row in the table correctly describes the conditions used to define the lower and upper fixed points?

Lower fixed pointUpper fixed point
ATemperature of melting pure ice at 1 atm1\text{ atm}1 atmTemperature of steam from pure boiling water at 1 atm1\text{ atm}1 atm
BFreezing point of the thermometric liquidBoiling point of the thermometric liquid
CTemperature of melting pure ice at any pressureTemperature of boiling pure water at any pressure
DTemperature of freezing pure mercury at 1 atm1\text{ atm}1 atmTemperature of steam from pure boiling water at 1 atm1\text{ atm}1 atm
A

Row A

B

Row B

C

Row C

D

Row D

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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