Which one is an example of a chemical change please help

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26-12-2016
Chemistry

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Which one is an example of a chemical change please help

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A customer pays 50 dollars for a coffee maker after a discount of 20 dollars What is the original price of the coffe maker?

Porshia Porshia · Answer 1 · 2016-12-26T18:02:40+01:00

Porshia Porshia

26-12-2016

Answer is A, an iron nail rusting. Rusting is know as a chemical change. Iron and oxygen atoms react with each other to create a chemical reaction. This creates an new substance called iron oxide.

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