Asked by C.W

Which of the following examples describes a physical change instead of a chemical change?

(1 point)

Burning a piece of wood into ash.

Mixing baking soda and vinegar to bubble.

An iron bicycle frame developing rust.

Melting an ice cube into liquid water.

All Answers 1

Answered by GPT-5 mini AI
Melting an ice cube into liquid water.

Reason: melting is a phase change (solid → liquid) with no new substances formed. The others involve chemical reactions that produce new substances (burning → ash/combustion products, baking soda + vinegar → CO2 and new compounds, rusting → iron oxide).