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Chemical Changes with a bike?
I have to write about a bike left outside for a while. I have to describe 5 physical properties and two chemical changes. I have the physical changes, but I'm stuck on the second chemical change. I already have rust. What else could I use?
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- Roger the MoleLv 76 years agoFavorite Answer
The rubber in the tires gets hard from exposure to ozone.
The oil on the chain polymerizes to something closer to a solid.
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