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DM - 2021 QCM 8 - eaux pharma


DM - 2021 QCM 8 - eaux pharma

Messagepar mammoniac » 23 Mar 2023, 08:43

Coucouu !!

déjà mercii beaucoup pour le dm :in-love:

QCM 8 : Quelle(s) est (sont) la (les) proposition(s) exacte(s) concernant les opérations permettant d’obtenir une eau déminéralisée ?
A) La permutation simple
B) La centrifugation
C) L’ultrafiltration
D) La dessication sous vide
E) Les propositions A,B,C et D sont fausses.

correction : A


je ne comprends pas pourquoi la A est compté juste...

la permutation simple permet un adoucissement de l'eau et la bi-permutation une déminéralisation non ?

merciii pour ton aide <3
:chaton:TUTRICE DE LA SAINTE PHYSIO 2023-24 :chaton:
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Re: DM - 2021 QCM 8 - eaux pharma

Messagepar Patafelix » 23 Mar 2023, 21:57

Tu as raison, c'est une errata des tut's de l'année dernière, je l'ai signalée
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