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alexandr1967 [171]
3 years ago
15

Which of the following is an example of a chemical change?

Chemistry
1 answer:
elena-s [515]3 years ago
6 0
The best answer is the first option. A bike rusting is an example of a chemical change since rusting is a chemical reaction. New substances are formed from this reaction. On the other hand, other choices given are just physical changes because only the shape or the physical form of the substances are being changed.
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