Question

What is rusting of iron
what is change physical what is chemical change

Answer 1

Answer:

Rusting of Iron is a Chemical Change. Because the two substances are reacting together to make a new substance.

Chemical equation: 4Fe + 3O2 → 2Fe2O3

Explanation:

Physical Change: A change in which no new substance is formed.

For e.g.-   Crushing a Can, Melting an Ice Cube,etc.

Chemical Change: A change in which a new substance is formed.

For e.g.-   Burning Paper, Rusting of Iron,etc.

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Answer 2

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Rusting of iron is a chemical Change because rust Nd iron are not the same substance. Rust is different from iron on which it's gets disposed.

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★ What is Physical change?

= Those Changes in which no new substances are formed ,are called Physical change...

★ What is chemical Change?

= The chemical Change are parmanent changes which can usually not be reversed to form the original substance..

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