Question

Give an example of a physical change involving iron and a chemical change involving iron

Answer 1

Answer:

As the rust forms on the surface of the iron, it flakes off to expose more iron, which will continue to rust. Rust is clearly a substance that is different from iron. Rusting is an example of a chemical change. A chemical property describes the ability of a substance to undergo a specific chemical change.

Explanation:

Answer 2

Answer:

For example, toxicity, reactivity, combustion etc are all chemical changes. When iron rusts then an oxide layer of orange-brown color deposits on its surface due to chemical combination of air and moisture with iron. This is a chemical change.

Explanation:

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