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2.2.3a Melting, boiling, condensation and solidification

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Question 85

A student heats some solid paraffin wax in a beaker until it melts to form liquid wax. The liquid wax is poured into a mold, where it cools and solidifies. Some of the liquid wax left on the hotplate vaporizes to form wax vapor.

Which process involves a net transfer of thermal energy from the wax to the surroundings?

A

melting

B

boiling

C

solidifying

D

vaporizing

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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