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Tanzania [10]
3 years ago
6

What only happens during a chemical reaction?

Biology
1 answer:
goldenfox [79]3 years ago
5 0
B. New substances are formed. In a chemical reaction, the starting molecule must be changed or turn into another. For example: rusts that form in a tin can is a chemical reaction. The iron in the can combines with the oxygen in the atmosphere, creating rust (iron oxide), which is a different substance.
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