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Soude

QuestionAnswer
Comment se présente l'hydroxyde de sodium ? Sous forme de pastilles blanches
Pourquoi l'hydroxyde de sodium ne doit pas être touché avec les mains ? C'est un produit qui est très avide d'eau ; à son contact, la peau subit une forte deshydrataion
Citer deux produits ménagers contenant de la soude . Destop ( pour déboucher le lavabo ) . Jex ultra ( pour nettoyer le four )
Pourquoi la soude est elle utilisée pour déboucher les éviers ? Elle attaque certains matériaux organiques ( cheveux, graisses ) sans attaquer les tuyaux en PVC
Created by: Nat380
 

 



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