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2.2 Thermal properties and temperature

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Question 21

A student is performing two experiments under standard conditions. In the first setup, a beaker containing solid paraffin wax is heated and is currently melting. In the second setup, a flask of pure liquid ethanol is heated and is currently boiling.

What is happening to the temperature of the melting paraffin wax and the temperature of the boiling ethanol?

A

Melting paraffin wax temperature is constant; boiling ethanol temperature is constant

B

Melting paraffin wax temperature is constant; boiling ethanol temperature is increasing

C

Melting paraffin wax temperature is increasing; boiling ethanol temperature is constant

D

Melting paraffin wax temperature is increasing; boiling ethanol temperature is increasing

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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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