thibaultdelbart thibaultdelbart

14-05-2023
Physics

contestada

Les accessoires pour piscine
4. Lorsque l'on met en contact de la paille de fer avec une solution acide
(figure ci-contre), on observe la disparition progressive du fer ainsi que
l'apparition de dihydrogène.
Une transformation chimique se produit-elle entre le fer et l'acide ? Justifier.

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