Question

Rusting of iron is a chemical change-Give reason

Answer 1

The rusting of iron is a chemical change because it is two substances reacting together to make a new substance. When iron rusts, iron molecules react with oxygen molecules to make a compound called iron oxide. Rusting would only be a physical change if iron molecules remained pure iron throughout the process.

Answer 2

Answer:

Yes, because when iron kept in contact with air it gets reacted with oxygen present in air and forms Iron Oxide.

Explanation:

REACTION:

2Fe2 + O2 ------> 2Fe2O .

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