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Normal
1) Water expands to a maximum size at 4 deg C - this will usually crack a glass container unless there is room at the top for expansion - even then it may still crack it if sufficient water around the outside of the inside of the bottle freezes.2) Iron has formed oxides.Powered by Yahoo Answers
1) Water expands to a maximum size at 4 deg C - this will usually crack a glass container unless there is room at the top for expansion - even then it may still crack it if sufficient water around the outside of the inside of the bottle freezes.
2) Iron has formed oxides.
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