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

Gujarat BoardEnglish MediumSTD 7ScienceThe World of Metals and Non-metals2 Marks
Question
What is rusting? How can it be prevented?
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Answer

Rusting is the corrosion of iron when it reacts with water and oxygen to form hydrated iron oxide.
It can be prevented by painting, oiling, greasing, or galvanizing the iron.

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