
Vee omadused, vee kasutamine. Järeltöö
Authored by Mariann Mitt
Other
5th Grade
Used 8+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on vee keemiline sümbol?
H2O
CO2
CO
SO2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on vee keemistemperatuur (nt)?
0oC
-100oC
100oC
15oC
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on vee sulamistemperatuur(nt)?
0oC
-100oC
100oC
15oC
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mida teeb kloor vees?
Tapab mikroorganisme.
Parandab maitset.
Parandab vee hapniku sisaldust.
Muudab vee joodavamaks.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Planeet Maad katab ... vett
30%
29%
71%
50%
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Millistest elementidest koosneb vesi?
Heelium ja hapnik
Vesinik ja hapnik
Heelium ja süsinik
Hapnik ja süsinik
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kus asub enamik Maa mageveest?
Ookeanides
Järvedes
Jõgedes
Liustikes
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