header bg

Scan QR code or get instant email to install app


Change of phase is a process whereby matter changes form (solid, liquid, gas). Which one of the following constitutes a phase change?

A Condensation of water vapor.

When water vapor condenses, gas changes to liquid. Photosynthesis, digestion of food, and dry-cleaning involve chemical reactions and can’t be considered physical processes. Through exhaling, air is pushed out of the lungs, but there is no phase change.

Related Information


Leave a Reply