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2.2.3a Melting, boiling, condensation and solidification

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Question 74

A block of paraffin wax is heated until it is completely melted. The liquid wax is then allowed to cool and solidify.

What happens to the total mass of the wax during these changes of state?

A

Mass during melting decreases; mass during solidification stays constant

B

Mass during melting stays constant; mass during solidification stays constant

C

Mass during melting increases; mass during solidification decreases

D

Mass during melting stays constant; mass during solidification increases

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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