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2.2.3a Melting, boiling, condensation and solidification

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Question 222

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

2.2.3a 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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