CBSE - VII - Science - Physical and Chemical Changes
why only meals get rusted
- Rust mainly refers to ioxidation of iron in the presence water which is a very slow phenomenon.
- Rust is another name for iron oxide. It occurs when iron or an alloy containing iron, such as steel, is exposed to oxygen and moisture for a long period of time.
- Slowly, oxygen combines with the metal at an atomic level, forming a new compound called an oxide and weakening the bonds of the metal itself. Although some people refer to rust generally as "oxidation", that term is much more general; although rust forms when iron undergoes oxidation, not all oxidation forms rust.
- Only iron or alloys that contain iron can rust, but other metals can corrode in similar ways.
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