
Lahused ja pihused
Chemistry
8th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on lahustunud aine?
Aine, mis jaotub ühtlaselt teises aines.
Aine, milles teine aine ühtlaselt jaotub.
Ainete ühtlane segu.
Kahe aine segu.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on lahus?
Kahe aine segu.
Ainete ühtlane segu.
Aine, milles teine aine ühtlaselt jaotub.
Aine, mis jaotub ühtlaselt teises aines.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on pihustuskeskkond?
Ainete ühtlane segu.
Aine, milles teine aine on suhteliselt ühtlaselt jaotunud.
Aine, mis jaotub teises aines suhteliselt ühtlaselt.
Ebaühtlane segu.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mille poolest erinevad pihussüsteemid ja lahused?
Pihussüsteemis on aineosakesed väiksemad kui lahuses.
Pihussüsteemis on aineosakesed suuremad kui lahuses.
Pihusüsteem koosneb vähemalt kolmest ainest ja lahus kahest.
Lahus on ebaühtlasem kui pihussüsteem.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mida mõistame lahustuvuse all?
Lahustuvus näitab aine sisaldust küllastumata lahuses.
Lahustuvus näitab aine sisaldust küllastunud lahuses.
Lahustuvus on aine minimaalne hulk lahuses.
Lahustuvus on suvaline aine hulk lahuses.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Millise teguriga saame suurendada lahustuvust?
Segamine.
Jahutamine.
Ainepeenestamine.
Temperatuur.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mitu grammi soola lahustub 200 grammis vees, kui soola lahustuvus on 20 g/100 g H2O?
10 g
20 g
30 g
40 g
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