
Dujos
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Hard
Tatjana Radzevičienė
Used 21+ times
FREE Resource
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kokiame aukštyje virš Žemės yra susitelkę 90 proc. visos atmosferos masę?
12 km
20 km
120 km
1000 km
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tarp kuo vyksta cheminių elementų apytaka biosferoje?
tarp augalų ir gyvūnų
tarp augalų ir atmosferos
tarp atmosferos ir gyvųjų organizmų
tarp atmosferos ir mikroorganizmus
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kokia yra azoto virimo temperatūra?
-183 0C
-186 0C
-196 0C
-246 0C
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kokia yra deguonies virimo temperatūra?
-183 0C
-186 0C
-196 0C
-246 0C
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kodėl anglies dioksidas CO2 pašalinamas filtruojant skystą orą?
nes - 200 0C jis virsta kietąja medžiaga.
nes dujos skiriasi vienos po kitų.
nes jis lieka distiliavimo kolonos apačioje.
nes jis surenkamas iš oro prieš deguonį.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kokios dujos surenkamo iš oro distiliavimo kolonoje prieš deguonį?
Ar
H2
N2
O3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kurios medžiagos yra vieninės ir dujinės būsenos?
H2, O3, He, Ar.
H2O, HCl, O2, H2.
S8, C, Te, As
Br2, Ne, C, O3.
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