
Rastvori 1
Authored by Danijela Gligorić
Chemistry
1st Grade
Used 9+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rastvori su:
homogene smeše
heterogene smeše
vrste elemenata
vrste jedinjenja
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rastvor se sasroji od:
dva ili više rastvarača
rastvarača i jedne ili više rastvorenih supstnanci
dva ili više elemenata
dva ili više jedinjenja
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Označi koja od ponuđenih supstanci predstavlja rastvor
supa
vazduh
piaća voda
zemljište
medicinski alkohol
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Šta od ponuđenih supstanci nije rastvor
čelik
fiziolški rastvor
mleko
medicinski alkohol
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Rastvorljivost (R) je broj grama rastvorene supstance u:
100g rastvarača
100g rastvora
100g alkohola
100g benzina
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Maseni procentni sastav rastvora je:
broj grama rastvorene supstance u 100g vode
broj grama rastvorene supstance u 100g rastvora
broj grama rastvarača u 100g rastvora
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ako mesing (vrsta legure) sadrži 25%Zn i 75%Cu, tu je rastvarač:
bakar
cink
voda
alkohol
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