Physics 0625 · IGCSE · Kinetic particle model of matter

Kinetic particle model of matter — practice question

The diagram illustrates the changes of state P, Q, R and S that take place in solids, liquids and gases as they gain or lose thermal energy. What is the name of change R?

  • Acondensation
  • Bsolidification
  • Cboiling
  • Dmelting

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