Question
When a piece of iron is rusting, which of the following statements best describes the changes occurring?
1 point
The rusting of iron is a chemical change as new substances are formed.
The iron is undergoing a physical change as it changes color.
The process of rusting is reversible and thus a physical change.
Rusting involves only the physical alteration of the iron's structure.
1 point
The rusting of iron is a chemical change as new substances are formed.
The iron is undergoing a physical change as it changes color.
The process of rusting is reversible and thus a physical change.
Rusting involves only the physical alteration of the iron's structure.
Answers
GPT-4o mini
The statement that best describes the changes occurring during the rusting of iron is:
**The rusting of iron is a chemical change as new substances are formed.**
Rusting involves the reaction of iron with oxygen and moisture, resulting in the formation of iron oxides (rust), which are different substances from the original iron.
**The rusting of iron is a chemical change as new substances are formed.**
Rusting involves the reaction of iron with oxygen and moisture, resulting in the formation of iron oxides (rust), which are different substances from the original iron.