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2.2.3a Melting, boiling, condensation and solidification

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Question 260

A wide tray contains 150 cm3 of water. Students are asked how to decrease the rate at which the water evaporates. Their suggestions are listed:

  • student 1: Place the tray inside a draft-free, closed cupboard.
  • student 2: Pour the water into a taller, narrower beaker.
  • student 3: Gently warm the water with a heating pad.

Which suggestions will decrease the rate of evaporation?

A

1 and 2 only

B

1 and 3 only

C

2 and 3 only

D

1, 2 and 3

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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