Question

describe an experiment to show the condition necessary for rusting of iron​

Answer 1

• Take an iron nail.
• Keep it in wet cotton exposed to air.
• Rusting takes place showing that air and moisture are necessary for rusting. - Electrochemical oxidation of iron with oxygen is called rusting.

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Answer 2

Answer:

Take 3 test tube.Fill 1 test tube with oil. 2nd with water with a layer of CaCO3 above it. 3rd with simple tap water.

No put one one iron nail in each test tube.After few times u will observe that iron nail in test tube 3 has rust while the rest 2 iron nails have not been rust because

1. in the 1st test tube there is oil which does not have moisture
2. in the second test tube there us a layer of CaCO3 which does not allow moisture to enter

So therefore we conclude that both moisture and water is essential for rusting

Explanation:

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