
Procentinė koncentracija 2

Quiz
•
Chemistry
•
3rd Grade
•
Hard
Elvyra Ajauskaite
Used 10+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
570 g vandens inde ištirpinta 30 g cukraus.
5%
40%
10%
20%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tirpalas buvo paruoštas sumaišius nitratą su vandeniu masės santykiu 1: 4 (viena masės dalis salietros 5dalis vandens). Šio tirpalo procentinė dalis buvo:
11 %
1 %
10 %
20 %
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
240 g vandens inde ištirpinta 60 g cukraus. Viso tirpalo masė yra: Tirpalo koncentracuja
15%
.
150%
20%
120%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks tirpalas vadinamas komcentruotu?
Mažos koncentracijos tirpalas
Tirpalas, kuriame yra vandens.
Didelės koncentracijos tirpalas.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Didėjant temperatūrai, daugumos dujinų medžiagų tirpumas...
Svyruoja
Didėja
Mažėja
Nepakinta.
Svyruoja
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mažėjant slėgiui , daugumos dujinų medžiagų tirpumas...
Didėja
Mažėja
Nepakinta
Svyruoja
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
70 g vandens inde ištirpinta 30 g cukraus. Tirpalo koncentracija:
10%
30%
40%
100%
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