Question

why is melting Of iron physical change whereas rusting of iron a chemical change​

Answer 1

melting of iron is a physical change cause after melting it if we leave it for some time then it will again turn into iron whereas rusting of iron is a chemical change because the formation of a new chemical compound called ferric oxide takes place on the iron

Answer 2

Answer:

Melting of iron is a physical change because iron(solid) changes into another physical state(liquid) while the chemical properties of iron still remains the same as before melting, whereas, rusting of iron is a chemical change because when iron reacts with oxygen in the presence of water or moisture, iron oxide(rust) is formed. The chemical properties of rust are completely different from the properties of iron.

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