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).
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).
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.