Rastvori
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Hard
Danijela Gligorić
Used 6+ times
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Označi koja od ponuđenih supstanci je rastvor.
Voda
Pesak
Medicinski alkohol
Vodonik
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Šta od ponuđenih supstanci nije rastvor?
Fiziološki rastvor
Česmenska voda
Mleko
Izvorska voda
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rastvorljivost je broj grama rastvorene supstance u:
100g rastvora
100g rastvarača
1000g rastvora
10g rastvarača
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Prezasićeni rastvori su:
Stabilni
Nestabilni
Heterogene smeše
Čiste supstance
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Za gazirane pića koristi se:
O2
H2
CO
CO2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Čokolada je:
Homogena smeša
Heterogena smeša
Čista supstanca
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Čelik je:
Element
Jedinjenje
Homogena smesa
Heterogena smeša
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ako je R neke supstance 5g to znači da se:
5g supstance nalazi u 100g rastvora
5g supstance nalazi u 100g rastvarača
5g supstance taloži
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