Lahused
Chemistry
9th Grade
Used 18+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lahus on...
.....ühtlane segu, mis koosneb vähemalt kahest ainest.
.... keskkond, milles teine aine on ühtlaselt jaotunud.
.....aine, mis on teises aines ühtlaselt jaotunud.
...... suhteliselt ühtlane segu kahest ainest.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lahusti on....
...... ühtlane segu, mis koosneb vähemalt kahest ainest.
............aine, milles teine aine on ühtlaselt jaotunud.
.......aine, mis jaotub ühtlaselt teises aines.
..........suhteliselt ühtlane segu.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lahustunud aine.....
.... on ühtlane segu.
..... on aine, mis on teises aines ühtlaselt jaotunud.
....... on keskkond, milles teine aine ühtlaselt jaotub.
...... on aine, milles teine aine on ühtlaselt jaotunud.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hüdraatumine on...
aine segunemine veega.
lahustunud aine osakeste seostumine vee molekulidega.
vee aurustumine.
vee eraldumine keemilises reaktsioonis.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektrolüüdid on...
... ained, mis sulas olekus või lahustunud olekus juhivad elektrit.
..... kõik molekulidest koosnevad ained.
.... kõik tahked ained.
.......ainult soolad.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Milline järgmisest ainetest on tugev elektrolüüt?
Äädikhape.
Vesinikkloriidhape (soolhape).
Sidrunhape.
Ammoniaak.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Milline järgmistest ainetest on nõrk elektrolüüt?
Äädikhape.
Keedusool.
Väävelhape.
Naatriumhüdroksiid.
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