Skip to content

Course home

Sign up

2.2.3a Melting, boiling, condensation and solidification

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260
Question 30

During the evaporation of a liquid, some molecules escape from its surface.

Which row in the table correctly describes which molecules escape and the resulting change in the average kinetic energy of the remaining molecules?

Molecules that escapeAverage kinetic energy of remaining molecules
Athe most energetic moleculesdecreases
Bthe most energetic moleculesincreases
Cthe least energetic moleculesdecreases
Dthe least energetic moleculesincreases
A

Row A

B

Row B

C

Row C

D

Row D

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.

Question bank