Question

Which of the following demonstrates a chemical change? (1 point)
• steam condensing on a mirror
• sugar and water mixing to create sugar water
• dry ice vaporizing
iron (Fe) reacting to water((H20)) and oxygen(O) to form iron oxide(
• Fez03)

Answers

GPT-4o mini
The option that demonstrates a chemical change is:

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

This reaction involves the formation of a new substance (iron oxide) through a chemical reaction, which is a key characteristic of a chemical change. The other options involve physical changes or phase changes.

Related Questions