
Les parfums
Flashcard
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
valerie bonjean
FREE Resource
Student preview

21 questions
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1.
FLASHCARD QUESTION
Front
Quelles sont les deux origines des matières aromatiques ?
Back
Naturelle et synthétique.
2.
FLASHCARD QUESTION
Front
Donnez un exemple de matière aromatique d'origine végétale provenant des fleurs.
Back
Jasmin, rose, violette, muguet, oranger, lavande, lavandin, tubéreuse.
3.
FLASHCARD QUESTION
Front
Quelles parties de plantes peuvent fournir des matières aromatiques ?
Back
Fleurs, feuilles, tiges, racines, fruits, lichens, arbres, résines.
4.
FLASHCARD QUESTION
Front
Qu'est-ce que le castoréum ?
Back
Sécrétion odorante des glandes génitales du castor.
5.
FLASHCARD QUESTION
Front
Quelle est l'origine de l'ambre gris ?
Back
C'est un calcul intestinal rejeté à la mer par le cachalot.
6.
FLASHCARD QUESTION
Front
Comment obtient-on des huiles essentielles par hydrodistillation ?
Back
En entraînant les matières odorantes volatiles par de la vapeur d'eau.
7.
FLASHCARD QUESTION
Front
Qu'est-ce que l'extraction par solvants volatils ?
Back
Un procédé où les parties de plantes sont dissoutes dans des solvants pour obtenir des concrètes ou résinoïdes.
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