MÕISTED Vesi, süsivesikud
Quiz
•
Biology
•
2nd Grade
•
Practice Problem
•
Easy
Pirjo Land
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25 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Polaarsus on
nõrga positiivse ja negatiivse laengu esinemine ühe molekuli sees.
iooniline side kahe molekuli vahel.
tugev positiivne laeng ühe molekuli sees.
pooluste vaheline magnetiline jõujoon.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Positiivse laenguga vesinikaatomi side teise molekuli koostises kuuluva negatiivse laenguga aatomiga on
kovalentne side
positiivne tuumareaktsioon
vesiniku eriline omadus
vesinikside
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Vedeliku pinna omadus avaldada vastupanu välisele survele nimetatakse
pindkileks.
pindkaitseks.
pindpinevuseks.
pinevaks olukorraks.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Organismi veebilanss on
tasakaal organismi massi ja pikkuse vahel.
tasakaal organismi siseneva ja väljuva vee massi vahel.
tasakaal Maa üldises veeringes liikuvas vees.
NASA viimane teadusuudis.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ainete omadus seostuda vee molekuliga on
vesine keskkond.
hüdrofiilsus.
hüdrofoobsus.
hüdrostaat.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kui aine ei seostu veemolekuliga, siis on tegemist
kõrbestumisega.
hüdrofiilse ainega.
pindpinevusega.
hüdrofoobse ainega.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tahkel aine, millel puudub korrastatud kristallstruktuur ning konkreetne sulamistemperatuur on
hüdrofiilne aine.
amööbjas aine.
amorfne aine.
hüdrofoobne aine.
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