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6. The process by which a gas turns to liquid.

  • Condensation
  • Evaporation
  • Sublimation
  • Deposition

7. The process of converting from liquid to gas due to increase in temperature. Also known as vaporisation.

  • Boiling
  • Evaporation
  • Condensation
  • Sublimation

8. The process by which a gas turns to a solid without condensing (also known as solidification)

  • Freezing
  • Condensation
  • Deposition
  • Sublimation

9. The process of converting from solid to liquid due to increase in temperature.

  • Condensation
  • Boiling
  • Melting
  • Melting point

10. The temperature at which a solid starts to melt.

  • Condensation
  • Melting
  • Melting point
  • Boiling point