
Tirpumas
Authored by Vilma Mozūrienė
Chemistry
8th Grade
Used 18+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Naudojantis tirpumo kreive pasakykite, ar tirpalas bus persotintas, jei 100 C temperatūroje ištirpinsime 90g natrio nitrato (100g vandens).
taip
ne
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pasirinkite teisingą variantą:
Nesočiuoju tirpalu vadinamas tirpalas, kuriame, nepakeitus temperatūros, netirpsta tirpinama medžiaga
Nesočiuoju tirpalu vadinamas tirpalas, kuriame, nepakeitus temperatūros, dar tirpsta tirpinama medžiaga
Nesočiuoju tirpalu vadinamas tankis, kuriame, nepakeitus temperatūros, dar tirpsta tirpinama medžiaga
Nesočiuoju tirpalu vadinamas tirpalas, kuriame, nepakeitus temperatūros, dar tirpsta tirpiklis
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Naudodamiesi tirpumo kreivėmis atsakykite.
Ar amoniako dujos keliant temperatūrą, tirpsta geriau?
taip
ne
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ar nesočiajame tirpale ištirpusios medžiagos yra mažiau, negu jos reikia sočiajam tirpalui gauti.
ne
taip
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Naudodamiesi tirpumo kreive atsakykite, kokiai temperatūrai esant 100g vandens ištips 80g natrio nitrato. Ir kokį tirpalą gausime?
770C, nesotus
100C, sotus
100C, nesotus
300C, sotus
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kiek gramų vario sulfato ištirps 50g vandens 300C temperatūroje, kad būtų sotus tirpalas?
25g
50g
12,5g
20g
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
100g vandens ištirpo 130g kalio jodido 100C. Kokį tirpalą gavote?
Sotų
Persotintą
nesotų
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