myriamkleit836263 myriamkleit836263

19-10-2022
Chemistry

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4 SC Identifier un gaz
Lorsque l'acide chlorhydrique réagit sur le fer, on observe
un dégagement gazeux.
1. Quel est ce gaz ? Quelle est la formule de sa molécule ?
2. Décris l'expérience permettant de mettre ce gaz en
évidence.

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