Question

3. Melting of iron is a physical change, because
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Answer 1

Answer:

Melting of iron is a physical change. This is because the physical state of iron(solid) changes into another physical state(liquid). ... In contrast to this, Rusting of iron is a chemical change because when Iron oxide comes in contact with a variable amount of water, a flaky brown coloured substance called rust is formed.

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Answer 2

Answer:

Melting of iron is a physical change. This is because the physical state of iron(solid) changes into another physical state(liquid). ... In contrast to this, Rusting of iron is a chemical change because when Iron oxide comes in contact with a variable amount of water, a flaky brown coloured substance called rust is formed

Explanation:

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