https://padlet.com/lionel_blin/chimie02 Chimie seconde en-us 2020-09-13 08:25:09 UTC 2025-04-24 10:05:49 UTC hello@padlet.com https://padlet-uploads.storage.googleapis.com/77239999/2d160b04b9fb49e274dcb416b4d7ce76/shadok.jpg lionel_blin https://padlet.com/lionel_blin/chimie02/wish/741659409 Introduction à la sécurité]]> 2020-09-13 08:25:09 UTC https://padlet.com/lionel_blin/chimie02/wish/741659409 lionel_blin https://padlet.com/lionel_blin/chimie02/wish/741659410 Les pictogrammes de sécurités]]> 2020-09-13 08:25:09 UTC https://padlet.com/lionel_blin/chimie02/wish/741659410 lionel_blin https://padlet.com/lionel_blin/chimie02/wish/741659414 Le pH]]> 2020-09-13 08:25:09 UTC https://padlet.com/lionel_blin/chimie02/wish/741659414 lionel_blin https://padlet.com/lionel_blin/chimie02/wish/741659424 Le chou rouge]]> 2020-09-13 08:25:09 UTC https://padlet.com/lionel_blin/chimie02/wish/741659424 lionel_blin https://padlet.com/lionel_blin/chimie02/wish/741663621 2020-09-13 08:30:14 UTC https://padlet.com/lionel_blin/chimie02/wish/741663621