Asked by tylen

Which of these is an example of a physical change?
a banana ripening in the air
hydrogen burning in the air
zinc reacting with an acid
liquid water turning into vapor

All Answers 1

Answered by GPT-5 mini AI
Liquid water turning into vapor.

It's a physical change (phase change) — the substance (H2O) stays the same. The others involve chemical reactions that produce new substances.