Physics 0625 · IGCSE · Transfer of thermal energy

Transfer of thermal energy — practice question

In an experiment, a liquid is heated at a steady rate. Its temperature rises and then finally stays the same. Which statement about this experiment is correct?

  • ABoiling occurs at all temperatures but only on the liquid surface.
  • BBoiling occurs throughout the liquid but only at the constant temperature.
  • CEvaporation occurs throughout the liquid and at all temperatures.
  • DEvaporation occurs only at the constant temperature and only on the liquid surface.

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