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The World of Metals and Non-metals — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceThe World of Metals and Non-metals1 Mark
Question
What is rusting of iron? How can it be prevented?
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Answer

Rusting of iron is the formation of a brown layer on iron when it reacts with air and water. It can be prevented by painting, oiling, greasing, or galvanisation.

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