Which of the following processes occurs at the surface of a liquid?

JAMB Physics 2023 224 views
Source: JAMB · 2023

Which of the following processes occurs at the surface of a liquid?

  1. Melting
  2. Evaporation ✓
  3. Boiling
  4. Sublimation
Explanation

Evaporation happens only at the surface of a liquid, at any temperature. Fast molecules at the surface escape into the air.

Boiling happens throughout the liquid, at its boiling point. Melting and sublimation involve solids.

Was this explanation helpful?

Something wrong or missing? Tell us — we read every report and fix issues fast.

pastQuestions.ng pastquestions.ng