Rastvori
Authored by Danijela Gligorić
Chemistry
7th Grade
Used 60+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rastvori su:
homogene smeše
heterogene smeše
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Na slici je prikazan:
rastvor
čista supstanca
heterogena smeša
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Na flaši sirćeta piše da je 4% ili 9% rastvor sirćetne kiseline.
Tačno
Netačno
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Koja od ponuđenih supstanci se rastvara u vodi?
pesak
zemljište
šećer
ulje
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Supstanca prikazana na slici poznata je kao:
medicinski alkohol
3%hidrogen
9% hidrogen
12% hidrogen
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Najčešći rastvarač je:
ulje
alkohol
voda
pesak
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