Rotovap
Quiz
•
Chemistry
•
Professional Development
•
Practice Problem
•
Hard
Dimitrije Martinovic
Used 3+ times
FREE Resource
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21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vakuum je?
Prostor sa visokim pritiskom
Prostor sa umerenim pritiskom
Bezvazdušni prostor, zanemarljivo malog pritiska
Prostor sa sniženim pritiskom
Answer explanation
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Koje su jedinice za pritisak?
mmHg
Bar
Pa
kg
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Destilacija je separaciona metoda gde se razdvajanje tečnosti zasniva na različitim tačkama ključanja
Tačno
Netačno
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kondenzator služi za?
Snižavanje pritiska
Hlađenje pare koja se izdvaja
Sakupljanje destilata
Grejanje uzorka
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na Efikasnost procesa destilacije ne utiče?
Brzina rotacije
Temperatura
Primenjeni vakuum
Jačina struje
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Destilacija je najefikasnija pri brzini obrtaja od?
250-280
220-250
180-230
350-500
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pravilo 20/40/60 nam govori o?
Optimalnim uslovima za izvođenje destilacije
Vremenu trajanja destilacije
Procentu alkohola
Ne govori nam ništa
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