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2.2 Thermal properties and temperature

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Question 75

A puddle of water is left on a concrete driveway. Which of the following conditions increases the rate of evaporation of the water?

A

Spreading the puddle over a larger surface area

B

Covering the puddle to block the wind

C

An increase in the humidity of the air

D

A decrease in the ambient temperature

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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