
FGZ - Extrakcia a izolácia rastlinných látok
Quiz
•
Other
•
12th Grade
•
Hard
Lenka Jarabkova
Used 1+ times
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22 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Aké metódy extrakcie poznáme?
Opakovaná extrakcia
Kontinuálna extrakcia (Soxhlet)
Kvapalina kvapalinou (macerácia)
Jednorazová extrakcia
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Sublimácia
je fázová premena z pevnej látky priamo na plyn
jej rýchlosť sa zvyšuje s nižšou teplotou zahrievanej látky
jej rýchlosť sa zvyšuje s vyšším tlakom
opačný proces sa nazýva kondenzácia
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Extrakcia
synonymom je pojem vylúhovanie
produktom je výluh
vylúhovadlo je vždy zmes rozpúšťadiel
surový výluh sa nazýva matolín
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Aký je názov rozpúšťadla používaného pri extrakcii?
Menstruum
Rozpúšťadlo
Riedidlo
Reagencia
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Aký je účinok zvyšovania teploty na difúzny koeficient?
Zvyšuje sa
Znižuje sa
Ostáva rovnaký
Kolíše
6.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Macerácia
prebieha iba zvýšenej teplote
pomer drogy a vylúhovadla sa nemení
droge je ponorená vo vylúhovadle
môže byť jedno aj viacstupňová
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Maceračné metódy pri zvýšenej teplote sú
infúzia
dekokcia
perkolácia
maceroinfúzia
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