Kviz o rastvaranju i kristalizaciji

Quiz
•
Other
•
10th Grade
•
Hard
Milena Jasovic
Used 2+ times
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Šta predstavlja rastvaranje?
Prevođenje čvrste ili tečne faze u homogenu tečnu fazu
Prevođenje čvrste ili tečne faze u gas
Prevođenje tečne faze u čvrstu fazu
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji od navedenih primera predstavlja rastvorenu supstancu?
Voda
Alkohol
Sirće
Šećer
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji proces se dešava kada se kristali izdvajaju iz rastvora?
Rastvaranje
Kondenzacija
Kristalizacija
Evaporacija
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji od navedenih uslova nije potreban za kristalizaciju?
Rastvor mora biti u tečnom stanju
Mora se dodavati ili odvoditi toplota
Mora postojati kristalne klice
Rastvor mora biti prezasićen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kako se naziva supstanca koja služi za rastvaranje?
Reagencija
Rastvorena supstanca
Rastvarač
Kristal
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji tip rastvora ima više rastvorene supstance nego što odgovara rastvorljivosti?
Homogeni rastvor
Zasićeni rastvor
Nesasićeni rastvor
Prezasićeni rastvor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji od navedenih aparata za kristalizaciju koristi prirodno hlađenje?
Vakuum
Kadni
Vulff-Bok
Svenson-Valker
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