What type of change is rusting of iron?
Answer and explanation
Correct answer: Chemical change
Iron reacts with oxygen and moisture to form rust, a hydrated iron oxide. Since rust is a new substance with properties different from iron, rusting is a chemical change. In contrast, a physical change alters only the form or state of a substance without producing a new substance.
Frequently asked questions
What is the correct answer to this question?
Chemical change
Why is this the correct answer?
Iron reacts with oxygen and moisture to form rust, a hydrated iron oxide. Since rust is a new substance with properties different from iron, rusting is a chemical change. In contrast, a physical change alters only the form or state of a substance without producing a new substance.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Chemical Reactions and Equations.
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