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A nail rusts when the iron in the nail reacts very slowly with oxygen to form a new substance and heat. this is an example of a(n) ________ reaction.

Afusion
Bfission
Cexothermic
Dendothermic

Verified Answer :

julietwin1

It's a FUSION reaction because Iron and Oxygen react together to make Iron Oxide (rust) and it's EXOTHERMIC because the reaction forms heat (stated above), which means it's releasing energy.

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