CAIE IGCSE Physics 2.2.3.2 Melting and Boiling Temperatures for Questions

Practise identifying the Celsius scale fixed points using pure melting ice at 0 °C and steam above boiling pure water at 100 °C with CAIE IGCSE Physics questions and mark schemes.

Exam points

Identify the Celsius scale fixed points: pure melting ice at 0 °C and steam above boiling pure water at 100 °C.

[Maximum number: 2]

Fig. 5.1 shows a kitchen tap that supplies instant boiling water.

Fig. 5.1

Cold water passes over an electric immersion heater inside the tap.
The boiling point of water is $100^{\circ} \mathrm{C}$ .

State what is meant by boiling point.

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CAIE IGCSE Physics 2.2.3.2 Melting and Boiling Temperatures for Questions question 1