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Alessandra Olson
Chemistry
30 March, 16:47
What does chemical reaction describe
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30 March, 17:11
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A chemical reaction (signs)
- rusting
- change in base of chemical
- for example lets say u mix two chemicals, and then it becomes a different new chemical (it changed from the inside)
a physical
- a physical reaction is outer looks not inside.
- it changes on the outside, like changing a color
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