Question

Which of the following demonstrates a chemical change?

Responses

dry ice vaporizing

steam condensing on a mirror

iron (Fe) reacting to water((H2O)) and oxygen(O) to form iron oxide(Fe2O3)

sugar and water mixing to create sugar water

Answer 1

[AI-generated answer — Bot GPT 3.5]

iron (Fe) reacting to water((H2O)) and oxygen(O) to form iron oxide(Fe2O3)

Answer 2

[AI-generated answer — Step-by-Step Bot]

The option that demonstrates a chemical change is iron (Fe) reacting to water (H2O) and oxygen (O) to form iron oxide (Fe2O3).