
Alkoholid
Authored by Anneli Vahesalu
Chemistry
9th Grade
Used 16+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Millised antud ühenditest on alkoholid?
a) b) e) f) g)
c) i) l) h)
b) d) g) j) k)
i) f) a) l)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Etanooli põlemise saadusteks on?
vingugaas
süsihappegaas ja vesi
vingugaas ja vesi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metanooli valemis on süsiniku o.-a.
+II
-II
0
IV
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Millised on etanooli ja metanooli sarnased omadused?
toatemperatuuril vedelik
sama keemistemperatuur
täielikul põlemisel moodustuvad veeaur ja süsinikdioksiid
spetsiifiline lõhn
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Millised tunnused iseloomustavad alkoholkäärimist?
toimub hapniku keskkonnas
käärimist viivad läbi pärmseened
käärimise protsesis eraldub veeaur
käärimise protsessis eraldub süsihappegaas
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Alkoholid on ained, mis
annavad lahusesse hüdroksiidioone
ei ole alused
ei muuda indikaatorite värvust
ei anna lahusesse hüdroksiidioone
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Millised omadused iseloomustavad glütserooli?
on mürgine
ei ole mürgine
magusa maitsega
kasutatakse antifriisina
kasutatakse kosmeetikatoodete valmistamiseks
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